Home / 651,711.40-977,567.10-572,914.60

Finding the Fourth Proportional to 651,711.40, 977,567.10 and 572,914.60

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Solution

The fourth proportional to 651,711.40, 977,567.10 and 572,914.60 is: 859,371.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,711.40 : 977,567.10 = 572,914.60 : x
  2. Step 2: Convert to fraction form
    651,711.40/977,567.10 = 572,914.60/x
  3. Step 3: Cross multiply
    651,711.40x = 977,567.10 × 572,914.60
  4. Step 4: Simplify right side
    651,711.40x = 560,062,464,069.66
  5. Step 5: Solve for x
    x = 560,062,464,069.66/651,711.40
  6. Step 6: Final answer
    x = 859,371.90

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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.