Home / 916,353.28-1,264,567.12-534,306.28

Finding the Fourth Proportional to 916,353.28, 1,264,567.12 and 534,306.28

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Solution

The fourth proportional to 916,353.28, 1,264,567.12 and 534,306.28 is: 737,342.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,353.28 : 1,264,567.12 = 534,306.28 : x
  2. Step 2: Convert to fraction form
    916,353.28/1,264,567.12 = 534,306.28/x
  3. Step 3: Cross multiply
    916,353.28x = 1,264,567.12 × 534,306.28
  4. Step 4: Simplify right side
    916,353.28x = 675,666,153,697.51
  5. Step 5: Solve for x
    x = 675,666,153,697.51/916,353.28
  6. Step 6: Final answer
    x = 737,342.43

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Half scale
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Double scale
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Similar ratio
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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.