Home / 905,030.04-1,248,868.62-523,081.56

Finding the Fourth Proportional to 905,030.04, 1,248,868.62 and 523,081.56

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Solution

The fourth proportional to 905,030.04, 1,248,868.62 and 523,081.56 is: 721,810.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,030.04 : 1,248,868.62 = 523,081.56 : x
  2. Step 2: Convert to fraction form
    905,030.04/1,248,868.62 = 523,081.56/x
  3. Step 3: Cross multiply
    905,030.04x = 1,248,868.62 × 523,081.56
  4. Step 4: Simplify right side
    905,030.04x = 653,260,145,984.65
  5. Step 5: Solve for x
    x = 653,260,145,984.65/905,030.04
  6. Step 6: Final answer
    x = 721,810.46

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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.