Home / 1,134,515.16-1,565,631.19-618,269.20

Finding the Fourth Proportional to 1,134,515.16, 1,565,631.19 and 618,269.20

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Solution

The fourth proportional to 1,134,515.16, 1,565,631.19 and 618,269.20 is: 853,211.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,515.16 : 1,565,631.19 = 618,269.20 : x
  2. Step 2: Convert to fraction form
    1,134,515.16/1,565,631.19 = 618,269.20/x
  3. Step 3: Cross multiply
    1,134,515.16x = 1,565,631.19 × 618,269.20
  4. Step 4: Simplify right side
    1,134,515.16x = 967,981,540,195.11
  5. Step 5: Solve for x
    x = 967,981,540,195.11/1,134,515.16
  6. Step 6: Final answer
    x = 853,211.64

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Double scale
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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.