Home / 1,058,189.92-1,587,344.80-338,594.88

Finding the Fourth Proportional to 1,058,189.92, 1,587,344.80 and 338,594.88

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Solution

The fourth proportional to 1,058,189.92, 1,587,344.80 and 338,594.88 is: 507,911.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,189.92 : 1,587,344.80 = 338,594.88 : x
  2. Step 2: Convert to fraction form
    1,058,189.92/1,587,344.80 = 338,594.88/x
  3. Step 3: Cross multiply
    1,058,189.92x = 1,587,344.80 × 338,594.88
  4. Step 4: Simplify right side
    1,058,189.92x = 537,466,822,074.62
  5. Step 5: Solve for x
    x = 537,466,822,074.62/1,058,189.92
  6. Step 6: Final answer
    x = 507,911.49

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.