Home / 759,019.30-1,138,715.80-534,817.57

Finding the Fourth Proportional to 759,019.30, 1,138,715.80 and 534,817.57

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Solution

The fourth proportional to 759,019.30, 1,138,715.80 and 534,817.57 is: 802,358.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,019.30 : 1,138,715.80 = 534,817.57 : x
  2. Step 2: Convert to fraction form
    759,019.30/1,138,715.80 = 534,817.57/x
  3. Step 3: Cross multiply
    759,019.30x = 1,138,715.80 × 534,817.57
  4. Step 4: Simplify right side
    759,019.30x = 609,005,217,076.61
  5. Step 5: Solve for x
    x = 609,005,217,076.61/759,019.30
  6. Step 6: Final answer
    x = 802,358.01

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.