Home / 916,349.28-1,264,561.62-534,302.28

Finding the Fourth Proportional to 916,349.28, 1,264,561.62 and 534,302.28

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Solution

The fourth proportional to 916,349.28, 1,264,561.62 and 534,302.28 is: 737,336.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,349.28 : 1,264,561.62 = 534,302.28 : x
  2. Step 2: Convert to fraction form
    916,349.28/1,264,561.62 = 534,302.28/x
  3. Step 3: Cross multiply
    916,349.28x = 1,264,561.62 × 534,302.28
  4. Step 4: Simplify right side
    916,349.28x = 675,658,156,766.49
  5. Step 5: Solve for x
    x = 675,658,156,766.49/916,349.28
  6. Step 6: Final answer
    x = 737,336.92

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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.