Home / 1,092,001.20-1,638,050.40-372,332.40

Finding the Fourth Proportional to 1,092,001.20, 1,638,050.40 and 372,332.40

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Solution

The fourth proportional to 1,092,001.20, 1,638,050.40 and 372,332.40 is: 558,515.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,001.20 : 1,638,050.40 = 372,332.40 : x
  2. Step 2: Convert to fraction form
    1,092,001.20/1,638,050.40 = 372,332.40/x
  3. Step 3: Cross multiply
    1,092,001.20x = 1,638,050.40 × 372,332.40
  4. Step 4: Simplify right side
    1,092,001.20x = 609,899,236,752.96
  5. Step 5: Solve for x
    x = 609,899,236,752.96/1,092,001.20
  6. Step 6: Final answer
    x = 558,515.17

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Double scale
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1.5x scale

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.