Home / 712,693.24-1,069,236.70-634,354.90

Finding the Fourth Proportional to 712,693.24, 1,069,236.70 and 634,354.90

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Solution

The fourth proportional to 712,693.24, 1,069,236.70 and 634,354.90 is: 951,707.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,693.24 : 1,069,236.70 = 634,354.90 : x
  2. Step 2: Convert to fraction form
    712,693.24/1,069,236.70 = 634,354.90/x
  3. Step 3: Cross multiply
    712,693.24x = 1,069,236.70 × 634,354.90
  4. Step 4: Simplify right side
    712,693.24x = 678,275,539,904.83
  5. Step 5: Solve for x
    x = 678,275,539,904.83/712,693.24
  6. Step 6: Final answer
    x = 951,707.55

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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.