Home / 1,114,132.25-1,537,514.87-630,686.79

Finding the Fourth Proportional to 1,114,132.25, 1,537,514.87 and 630,686.79

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Solution

The fourth proportional to 1,114,132.25, 1,537,514.87 and 630,686.79 is: 870,354.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,132.25 : 1,537,514.87 = 630,686.79 : x
  2. Step 2: Convert to fraction form
    1,114,132.25/1,537,514.87 = 630,686.79/x
  3. Step 3: Cross multiply
    1,114,132.25x = 1,537,514.87 × 630,686.79
  4. Step 4: Simplify right side
    1,114,132.25x = 969,690,314,784.13
  5. Step 5: Solve for x
    x = 969,690,314,784.13/1,114,132.25
  6. Step 6: Final answer
    x = 870,354.76

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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.