Home / 933,070.56-1,288,257.12-717,830.88

Finding the Fourth Proportional to 933,070.56, 1,288,257.12 and 717,830.88

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Solution

The fourth proportional to 933,070.56, 1,288,257.12 and 717,830.88 is: 991,083.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,070.56 : 1,288,257.12 = 717,830.88 : x
  2. Step 2: Convert to fraction form
    933,070.56/1,288,257.12 = 717,830.88/x
  3. Step 3: Cross multiply
    933,070.56x = 1,288,257.12 × 717,830.88
  4. Step 4: Simplify right side
    933,070.56x = 924,750,742,115.87
  5. Step 5: Solve for x
    x = 924,750,742,115.87/933,070.56
  6. Step 6: Final answer
    x = 991,083.40

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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.