Home / 915,172.32-1,262,510.64-575,827.68

Finding the Fourth Proportional to 915,172.32, 1,262,510.64 and 575,827.68

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Solution

The fourth proportional to 915,172.32, 1,262,510.64 and 575,827.68 is: 794,373.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,172.32 : 1,262,510.64 = 575,827.68 : x
  2. Step 2: Convert to fraction form
    915,172.32/1,262,510.64 = 575,827.68/x
  3. Step 3: Cross multiply
    915,172.32x = 1,262,510.64 × 575,827.68
  4. Step 4: Simplify right side
    915,172.32x = 726,988,572,806.52
  5. Step 5: Solve for x
    x = 726,988,572,806.52/915,172.32
  6. Step 6: Final answer
    x = 794,373.43

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1.5x scale

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.