Home / 926,708.20-1,278,894.18-569,127.40

Finding the Fourth Proportional to 926,708.20, 1,278,894.18 and 569,127.40

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Solution

The fourth proportional to 926,708.20, 1,278,894.18 and 569,127.40 is: 785,418.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,708.20 : 1,278,894.18 = 569,127.40 : x
  2. Step 2: Convert to fraction form
    926,708.20/1,278,894.18 = 569,127.40/x
  3. Step 3: Cross multiply
    926,708.20x = 1,278,894.18 × 569,127.40
  4. Step 4: Simplify right side
    926,708.20x = 727,853,719,538.53
  5. Step 5: Solve for x
    x = 727,853,719,538.53/926,708.20
  6. Step 6: Final answer
    x = 785,418.45

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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.