Home / 1,108,805.40-1,663,208.10-577,364.40

Finding the Fourth Proportional to 1,108,805.40, 1,663,208.10 and 577,364.40

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Solution

The fourth proportional to 1,108,805.40, 1,663,208.10 and 577,364.40 is: 866,046.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,805.40 : 1,663,208.10 = 577,364.40 : x
  2. Step 2: Convert to fraction form
    1,108,805.40/1,663,208.10 = 577,364.40/x
  3. Step 3: Cross multiply
    1,108,805.40x = 1,663,208.10 × 577,364.40
  4. Step 4: Simplify right side
    1,108,805.40x = 960,277,146,731.64
  5. Step 5: Solve for x
    x = 960,277,146,731.64/1,108,805.40
  6. Step 6: Final answer
    x = 866,046.60

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Double scale
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Similar ratio
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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.