Home / 1,139,587.38-1,572,671.70-630,293.40

Finding the Fourth Proportional to 1,139,587.38, 1,572,671.70 and 630,293.40

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Solution

The fourth proportional to 1,139,587.38, 1,572,671.70 and 630,293.40 is: 869,827.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,587.38 : 1,572,671.70 = 630,293.40 : x
  2. Step 2: Convert to fraction form
    1,139,587.38/1,572,671.70 = 630,293.40/x
  3. Step 3: Cross multiply
    1,139,587.38x = 1,572,671.70 × 630,293.40
  4. Step 4: Simplify right side
    1,139,587.38x = 991,244,592,876.78
  5. Step 5: Solve for x
    x = 991,244,592,876.78/1,139,587.38
  6. Step 6: Final answer
    x = 869,827.63

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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.