Home / 699,151.17-1,047,769.92-528,232.35

Finding the Fourth Proportional to 699,151.17, 1,047,769.92 and 528,232.35

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Solution

The fourth proportional to 699,151.17, 1,047,769.92 and 528,232.35 is: 791,625.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,151.17 : 1,047,769.92 = 528,232.35 : x
  2. Step 2: Convert to fraction form
    699,151.17/1,047,769.92 = 528,232.35/x
  3. Step 3: Cross multiply
    699,151.17x = 1,047,769.92 × 528,232.35
  4. Step 4: Simplify right side
    699,151.17x = 553,465,967,100.91
  5. Step 5: Solve for x
    x = 553,465,967,100.91/699,151.17
  6. Step 6: Final answer
    x = 791,625.60

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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.