Home / 1,182,398.93-1,631,710.49-638,534.69

Finding the Fourth Proportional to 1,182,398.93, 1,631,710.49 and 638,534.69

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Solution

The fourth proportional to 1,182,398.93, 1,631,710.49 and 638,534.69 is: 881,177.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,398.93 : 1,631,710.49 = 638,534.69 : x
  2. Step 2: Convert to fraction form
    1,182,398.93/1,631,710.49 = 638,534.69/x
  3. Step 3: Cross multiply
    1,182,398.93x = 1,631,710.49 × 638,534.69
  4. Step 4: Simplify right side
    1,182,398.93x = 1,041,903,740,550.67
  5. Step 5: Solve for x
    x = 1,041,903,740,550.67/1,182,398.93
  6. Step 6: Final answer
    x = 881,177.85

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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.