Home / 864,715.47-1,193,319.17-477,557.01

Finding the Fourth Proportional to 864,715.47, 1,193,319.17 and 477,557.01

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Solution

The fourth proportional to 864,715.47, 1,193,319.17 and 477,557.01 is: 659,035.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,715.47 : 1,193,319.17 = 477,557.01 : x
  2. Step 2: Convert to fraction form
    864,715.47/1,193,319.17 = 477,557.01/x
  3. Step 3: Cross multiply
    864,715.47x = 1,193,319.17 × 477,557.01
  4. Step 4: Simplify right side
    864,715.47x = 569,877,932,413.10
  5. Step 5: Solve for x
    x = 569,877,932,413.10/864,715.47
  6. Step 6: Final answer
    x = 659,035.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.