Home / 1,122,058.20-1,683,087.30-457,210.20

Finding the Fourth Proportional to 1,122,058.20, 1,683,087.30 and 457,210.20

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Solution

The fourth proportional to 1,122,058.20, 1,683,087.30 and 457,210.20 is: 685,815.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,058.20 : 1,683,087.30 = 457,210.20 : x
  2. Step 2: Convert to fraction form
    1,122,058.20/1,683,087.30 = 457,210.20/x
  3. Step 3: Cross multiply
    1,122,058.20x = 1,683,087.30 × 457,210.20
  4. Step 4: Simplify right side
    1,122,058.20x = 769,524,681,050.46
  5. Step 5: Solve for x
    x = 769,524,681,050.46/1,122,058.20
  6. Step 6: Final answer
    x = 685,815.30

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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.