Home / 1,134,984.53-1,566,200.15-638,342.79

Finding the Fourth Proportional to 1,134,984.53, 1,566,200.15 and 638,342.79

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Solution

The fourth proportional to 1,134,984.53, 1,566,200.15 and 638,342.79 is: 880,868.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,984.53 : 1,566,200.15 = 638,342.79 : x
  2. Step 2: Convert to fraction form
    1,134,984.53/1,566,200.15 = 638,342.79/x
  3. Step 3: Cross multiply
    1,134,984.53x = 1,566,200.15 × 638,342.79
  4. Step 4: Simplify right side
    1,134,984.53x = 999,772,570,257.71
  5. Step 5: Solve for x
    x = 999,772,570,257.71/1,134,984.53
  6. Step 6: Final answer
    x = 880,868.90

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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.