Home / 739,275.66-1,020,199.86-416,984.76

Finding the Fourth Proportional to 739,275.66, 1,020,199.86 and 416,984.76

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Solution

The fourth proportional to 739,275.66, 1,020,199.86 and 416,984.76 is: 575,438.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,275.66 : 1,020,199.86 = 416,984.76 : x
  2. Step 2: Convert to fraction form
    739,275.66/1,020,199.86 = 416,984.76/x
  3. Step 3: Cross multiply
    739,275.66x = 1,020,199.86 × 416,984.76
  4. Step 4: Simplify right side
    739,275.66x = 425,407,793,774.13
  5. Step 5: Solve for x
    x = 425,407,793,774.13/739,275.66
  6. Step 6: Final answer
    x = 575,438.66

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.