Home / 926,886.60-1,390,551.78-386,842.56

Finding the Fourth Proportional to 926,886.60, 1,390,551.78 and 386,842.56

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Solution

The fourth proportional to 926,886.60, 1,390,551.78 and 386,842.56 is: 580,356.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,886.60 : 1,390,551.78 = 386,842.56 : x
  2. Step 2: Convert to fraction form
    926,886.60/1,390,551.78 = 386,842.56/x
  3. Step 3: Cross multiply
    926,886.60x = 1,390,551.78 × 386,842.56
  4. Step 4: Simplify right side
    926,886.60x = 537,924,610,387.76
  5. Step 5: Solve for x
    x = 537,924,610,387.76/926,886.60
  6. Step 6: Final answer
    x = 580,356.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.