Home / 916,162.66-1,263,779.17-571,400.02

Finding the Fourth Proportional to 916,162.66, 1,263,779.17 and 571,400.02

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Solution

The fourth proportional to 916,162.66, 1,263,779.17 and 571,400.02 is: 788,204.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,162.66 : 1,263,779.17 = 571,400.02 : x
  2. Step 2: Convert to fraction form
    916,162.66/1,263,779.17 = 571,400.02/x
  3. Step 3: Cross multiply
    916,162.66x = 1,263,779.17 × 571,400.02
  4. Step 4: Simplify right side
    916,162.66x = 722,123,443,013.58
  5. Step 5: Solve for x
    x = 722,123,443,013.58/916,162.66
  6. Step 6: Final answer
    x = 788,204.40

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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.