Home / 916,165.05-1,264,308.80-534,265.65

Finding the Fourth Proportional to 916,165.05, 1,264,308.80 and 534,265.65

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Solution

The fourth proportional to 916,165.05, 1,264,308.80 and 534,265.65 is: 737,287.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,165.05 : 1,264,308.80 = 534,265.65 : x
  2. Step 2: Convert to fraction form
    916,165.05/1,264,308.80 = 534,265.65/x
  3. Step 3: Cross multiply
    916,165.05x = 1,264,308.80 × 534,265.65
  4. Step 4: Simplify right side
    916,165.05x = 675,476,759,610.77
  5. Step 5: Solve for x
    x = 675,476,759,610.77/916,165.05
  6. Step 6: Final answer
    x = 737,287.19

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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.