Home / 587,287.40-880,931.10-583,140.20

Finding the Fourth Proportional to 587,287.40, 880,931.10 and 583,140.20

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Solution

The fourth proportional to 587,287.40, 880,931.10 and 583,140.20 is: 874,710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,287.40 : 880,931.10 = 583,140.20 : x
  2. Step 2: Convert to fraction form
    587,287.40/880,931.10 = 583,140.20/x
  3. Step 3: Cross multiply
    587,287.40x = 880,931.10 × 583,140.20
  4. Step 4: Simplify right side
    587,287.40x = 513,706,337,840.22
  5. Step 5: Solve for x
    x = 513,706,337,840.22/587,287.40
  6. Step 6: Final answer
    x = 874,710.30

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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.