Home / 916,713.02-1,265,044.91-508,790.93

Finding the Fourth Proportional to 916,713.02, 1,265,044.91 and 508,790.93

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Solution

The fourth proportional to 916,713.02, 1,265,044.91 and 508,790.93 is: 702,120.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,713.02 : 1,265,044.91 = 508,790.93 : x
  2. Step 2: Convert to fraction form
    916,713.02/1,265,044.91 = 508,790.93/x
  3. Step 3: Cross multiply
    916,713.02x = 1,265,044.91 × 508,790.93
  4. Step 4: Simplify right side
    916,713.02x = 643,643,373,706.71
  5. Step 5: Solve for x
    x = 643,643,373,706.71/916,713.02
  6. Step 6: Final answer
    x = 702,120.90

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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.