Home / 651,618.30-977,427.45-607,331.55

Finding the Fourth Proportional to 651,618.30, 977,427.45 and 607,331.55

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Solution

The fourth proportional to 651,618.30, 977,427.45 and 607,331.55 is: 910,997.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,618.30 : 977,427.45 = 607,331.55 : x
  2. Step 2: Convert to fraction form
    651,618.30/977,427.45 = 607,331.55/x
  3. Step 3: Cross multiply
    651,618.30x = 977,427.45 × 607,331.55
  4. Step 4: Simplify right side
    651,618.30x = 593,622,528,221.05
  5. Step 5: Solve for x
    x = 593,622,528,221.05/651,618.30
  6. Step 6: Final answer
    x = 910,997.33

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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.