Home / 916,396.32-1,264,566.15-508,472.31

Finding the Fourth Proportional to 916,396.32, 1,264,566.15 and 508,472.31

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Solution

The fourth proportional to 916,396.32, 1,264,566.15 and 508,472.31 is: 701,658.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,396.32 : 1,264,566.15 = 508,472.31 : x
  2. Step 2: Convert to fraction form
    916,396.32/1,264,566.15 = 508,472.31/x
  3. Step 3: Cross multiply
    916,396.32x = 1,264,566.15 × 508,472.31
  4. Step 4: Simplify right side
    916,396.32x = 642,996,871,438.31
  5. Step 5: Solve for x
    x = 642,996,871,438.31/916,396.32
  6. Step 6: Final answer
    x = 701,658.07

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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.