Home / 916,367.10-1,264,655.76-508,545.96

Finding the Fourth Proportional to 916,367.10, 1,264,655.76 and 508,545.96

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Solution

The fourth proportional to 916,367.10, 1,264,655.76 and 508,545.96 is: 701,831.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,367.10 : 1,264,655.76 = 508,545.96 : x
  2. Step 2: Convert to fraction form
    916,367.10/1,264,655.76 = 508,545.96/x
  3. Step 3: Cross multiply
    916,367.10x = 1,264,655.76 × 508,545.96
  4. Step 4: Simplify right side
    916,367.10x = 643,135,577,538.73
  5. Step 5: Solve for x
    x = 643,135,577,538.73/916,367.10
  6. Step 6: Final answer
    x = 701,831.81

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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.