Home / 916,461.12-1,374,426-383,967.12

Finding the Fourth Proportional to 916,461.12, 1,374,426 and 383,967.12

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Solution

The fourth proportional to 916,461.12, 1,374,426 and 383,967.12 is: 575,839.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,461.12 : 1,374,426 = 383,967.12 : x
  2. Step 2: Convert to fraction form
    916,461.12/1,374,426 = 383,967.12/x
  3. Step 3: Cross multiply
    916,461.12x = 1,374,426 × 383,967.12
  4. Step 4: Simplify right side
    916,461.12x = 527,734,392,873.12
  5. Step 5: Solve for x
    x = 527,734,392,873.12/916,461.12
  6. Step 6: Final answer
    x = 575,839.37

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Double scale
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1.5x scale

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.