Home / 1,111,134.80-1,666,702.20-363,256.40

Finding the Fourth Proportional to 1,111,134.80, 1,666,702.20 and 363,256.40

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Solution

The fourth proportional to 1,111,134.80, 1,666,702.20 and 363,256.40 is: 544,884.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,134.80 : 1,666,702.20 = 363,256.40 : x
  2. Step 2: Convert to fraction form
    1,111,134.80/1,666,702.20 = 363,256.40/x
  3. Step 3: Cross multiply
    1,111,134.80x = 1,666,702.20 × 363,256.40
  4. Step 4: Simplify right side
    1,111,134.80x = 605,440,241,044.08
  5. Step 5: Solve for x
    x = 605,440,241,044.08/1,111,134.80
  6. Step 6: Final answer
    x = 544,884.60

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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.