Home / 1,134,419.98-1,565,510.07-625,140.58

Finding the Fourth Proportional to 1,134,419.98, 1,565,510.07 and 625,140.58

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Solution

The fourth proportional to 1,134,419.98, 1,565,510.07 and 625,140.58 is: 862,699.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,419.98 : 1,565,510.07 = 625,140.58 : x
  2. Step 2: Convert to fraction form
    1,134,419.98/1,565,510.07 = 625,140.58/x
  3. Step 3: Cross multiply
    1,134,419.98x = 1,565,510.07 × 625,140.58
  4. Step 4: Simplify right side
    1,134,419.98x = 978,663,873,155.64
  5. Step 5: Solve for x
    x = 978,663,873,155.64/1,134,419.98
  6. Step 6: Final answer
    x = 862,699.79

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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.