Home / 1,145,331.04-1,717,854-612,286.24

Finding the Fourth Proportional to 1,145,331.04, 1,717,854 and 612,286.24

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Solution

The fourth proportional to 1,145,331.04, 1,717,854 and 612,286.24 is: 918,353.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,331.04 : 1,717,854 = 612,286.24 : x
  2. Step 2: Convert to fraction form
    1,145,331.04/1,717,854 = 612,286.24/x
  3. Step 3: Cross multiply
    1,145,331.04x = 1,717,854 × 612,286.24
  4. Step 4: Simplify right side
    1,145,331.04x = 1,051,818,366,528.96
  5. Step 5: Solve for x
    x = 1,051,818,366,528.96/1,145,331.04
  6. Step 6: Final answer
    x = 918,353.15

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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.