Home / 579,834.80-869,752.20-248,058.80

Finding the Fourth Proportional to 579,834.80, 869,752.20 and 248,058.80

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Solution

The fourth proportional to 579,834.80, 869,752.20 and 248,058.80 is: 372,088.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,834.80 : 869,752.20 = 248,058.80 : x
  2. Step 2: Convert to fraction form
    579,834.80/869,752.20 = 248,058.80/x
  3. Step 3: Cross multiply
    579,834.80x = 869,752.20 × 248,058.80
  4. Step 4: Simplify right side
    579,834.80x = 215,749,687,029.36
  5. Step 5: Solve for x
    x = 215,749,687,029.36/579,834.80
  6. Step 6: Final answer
    x = 372,088.20

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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.