Home / 1,200,851.79-1,801,275.50-391,235.25

Finding the Fourth Proportional to 1,200,851.79, 1,801,275.50 and 391,235.25

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Solution

The fourth proportional to 1,200,851.79, 1,801,275.50 and 391,235.25 is: 586,852.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,851.79 : 1,801,275.50 = 391,235.25 : x
  2. Step 2: Convert to fraction form
    1,200,851.79/1,801,275.50 = 391,235.25/x
  3. Step 3: Cross multiply
    1,200,851.79x = 1,801,275.50 × 391,235.25
  4. Step 4: Simplify right side
    1,200,851.79x = 704,722,468,605.20
  5. Step 5: Solve for x
    x = 704,722,468,605.20/1,200,851.79
  6. Step 6: Final answer
    x = 586,852.16

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Double scale
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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.