Home / 1,008,043.30-1,512,064.95-447,077.80

Finding the Fourth Proportional to 1,008,043.30, 1,512,064.95 and 447,077.80

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Solution

The fourth proportional to 1,008,043.30, 1,512,064.95 and 447,077.80 is: 670,616.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,043.30 : 1,512,064.95 = 447,077.80 : x
  2. Step 2: Convert to fraction form
    1,008,043.30/1,512,064.95 = 447,077.80/x
  3. Step 3: Cross multiply
    1,008,043.30x = 1,512,064.95 × 447,077.80
  4. Step 4: Simplify right side
    1,008,043.30x = 676,010,671,303.11
  5. Step 5: Solve for x
    x = 676,010,671,303.11/1,008,043.30
  6. Step 6: Final answer
    x = 670,616.70

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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.