Home / 1,415,760.12-1,953,693.88-865,397.32

Finding the Fourth Proportional to 1,415,760.12, 1,953,693.88 and 865,397.32

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Solution

The fourth proportional to 1,415,760.12, 1,953,693.88 and 865,397.32 is: 1,194,214.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,760.12 : 1,953,693.88 = 865,397.32 : x
  2. Step 2: Convert to fraction form
    1,415,760.12/1,953,693.88 = 865,397.32/x
  3. Step 3: Cross multiply
    1,415,760.12x = 1,953,693.88 × 865,397.32
  4. Step 4: Simplify right side
    1,415,760.12x = 1,690,721,440,804.67
  5. Step 5: Solve for x
    x = 1,690,721,440,804.67/1,415,760.12
  6. Step 6: Final answer
    x = 1,194,214.63

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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.