Home / 917,073.18-1,265,600.51-509,175.04

Finding the Fourth Proportional to 917,073.18, 1,265,600.51 and 509,175.04

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Solution

The fourth proportional to 917,073.18, 1,265,600.51 and 509,175.04 is: 702,683.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,073.18 : 1,265,600.51 = 509,175.04 : x
  2. Step 2: Convert to fraction form
    917,073.18/1,265,600.51 = 509,175.04/x
  3. Step 3: Cross multiply
    917,073.18x = 1,265,600.51 × 509,175.04
  4. Step 4: Simplify right side
    917,073.18x = 644,412,186,502.80
  5. Step 5: Solve for x
    x = 644,412,186,502.80/917,073.18
  6. Step 6: Final answer
    x = 702,683.50

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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.