Home / 917,158.25-1,265,678.39-514,750.25

Finding the Fourth Proportional to 917,158.25, 1,265,678.39 and 514,750.25

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Solution

The fourth proportional to 917,158.25, 1,265,678.39 and 514,750.25 is: 710,355.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,158.25 : 1,265,678.39 = 514,750.25 : x
  2. Step 2: Convert to fraction form
    917,158.25/1,265,678.39 = 514,750.25/x
  3. Step 3: Cross multiply
    917,158.25x = 1,265,678.39 × 514,750.25
  4. Step 4: Simplify right side
    917,158.25x = 651,508,265,098.35
  5. Step 5: Solve for x
    x = 651,508,265,098.35/917,158.25
  6. Step 6: Final answer
    x = 710,355.35

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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.