Home / 1,005,188.17-1,387,170.39-546,302.80

Finding the Fourth Proportional to 1,005,188.17, 1,387,170.39 and 546,302.80

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Solution

The fourth proportional to 1,005,188.17, 1,387,170.39 and 546,302.80 is: 753,903.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,188.17 : 1,387,170.39 = 546,302.80 : x
  2. Step 2: Convert to fraction form
    1,005,188.17/1,387,170.39 = 546,302.80/x
  3. Step 3: Cross multiply
    1,005,188.17x = 1,387,170.39 × 546,302.80
  4. Step 4: Simplify right side
    1,005,188.17x = 757,815,068,134.09
  5. Step 5: Solve for x
    x = 757,815,068,134.09/1,005,188.17
  6. Step 6: Final answer
    x = 753,903.69

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Double scale
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1.5x scale

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.