Home / 917,563.29-1,266,337.17-555,187.11

Finding the Fourth Proportional to 917,563.29, 1,266,337.17 and 555,187.11

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Solution

The fourth proportional to 917,563.29, 1,266,337.17 and 555,187.11 is: 766,218.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,563.29 : 1,266,337.17 = 555,187.11 : x
  2. Step 2: Convert to fraction form
    917,563.29/1,266,337.17 = 555,187.11/x
  3. Step 3: Cross multiply
    917,563.29x = 1,266,337.17 × 555,187.11
  4. Step 4: Simplify right side
    917,563.29x = 703,054,073,697.88
  5. Step 5: Solve for x
    x = 703,054,073,697.88/917,563.29
  6. Step 6: Final answer
    x = 766,218.62

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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.