Home / 4,423,139.10-6,634,708.65-1,431,323.10

Finding the Fourth Proportional to 4,423,139.10, 6,634,708.65 and 1,431,323.10

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Solution

The fourth proportional to 4,423,139.10, 6,634,708.65 and 1,431,323.10 is: 2,146,984.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,423,139.10 : 6,634,708.65 = 1,431,323.10 : x
  2. Step 2: Convert to fraction form
    4,423,139.10/6,634,708.65 = 1,431,323.10/x
  3. Step 3: Cross multiply
    4,423,139.10x = 6,634,708.65 × 1,431,323.10
  4. Step 4: Simplify right side
    4,423,139.10x = 9,496,411,752,514.82
  5. Step 5: Solve for x
    x = 9,496,411,752,514.82/4,423,139.10
  6. Step 6: Final answer
    x = 2,146,984.65

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Double scale
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Similar ratio
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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.