Home / 931,213.16-1,285,082.60-563,698.74

Finding the Fourth Proportional to 931,213.16, 1,285,082.60 and 563,698.74

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Solution

The fourth proportional to 931,213.16, 1,285,082.60 and 563,698.74 is: 777,909.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,213.16 : 1,285,082.60 = 563,698.74 : x
  2. Step 2: Convert to fraction form
    931,213.16/1,285,082.60 = 563,698.74/x
  3. Step 3: Cross multiply
    931,213.16x = 1,285,082.60 × 563,698.74
  4. Step 4: Simplify right side
    931,213.16x = 724,399,439,597.43
  5. Step 5: Solve for x
    x = 724,399,439,597.43/931,213.16
  6. Step 6: Final answer
    x = 777,909.37

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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.