Home / 943,641.20-1,415,461.80-501,273.20

Finding the Fourth Proportional to 943,641.20, 1,415,461.80 and 501,273.20

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Solution

The fourth proportional to 943,641.20, 1,415,461.80 and 501,273.20 is: 751,909.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,641.20 : 1,415,461.80 = 501,273.20 : x
  2. Step 2: Convert to fraction form
    943,641.20/1,415,461.80 = 501,273.20/x
  3. Step 3: Cross multiply
    943,641.20x = 1,415,461.80 × 501,273.20
  4. Step 4: Simplify right side
    943,641.20x = 709,533,065,963.76
  5. Step 5: Solve for x
    x = 709,533,065,963.76/943,641.20
  6. Step 6: Final answer
    x = 751,909.80

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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.