Home / 657,117.20-986,064.60-433,125.20

Finding the Fourth Proportional to 657,117.20, 986,064.60 and 433,125.20

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Solution

The fourth proportional to 657,117.20, 986,064.60 and 433,125.20 is: 649,944.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,117.20 : 986,064.60 = 433,125.20 : x
  2. Step 2: Convert to fraction form
    657,117.20/986,064.60 = 433,125.20/x
  3. Step 3: Cross multiply
    657,117.20x = 986,064.60 × 433,125.20
  4. Step 4: Simplify right side
    657,117.20x = 427,089,427,087.92
  5. Step 5: Solve for x
    x = 427,089,427,087.92/657,117.20
  6. Step 6: Final answer
    x = 649,944.07

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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.