Home / 1,036,695.68-1,555,043.52-438,332.48

Finding the Fourth Proportional to 1,036,695.68, 1,555,043.52 and 438,332.48

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Solution

The fourth proportional to 1,036,695.68, 1,555,043.52 and 438,332.48 is: 657,498.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,695.68 : 1,555,043.52 = 438,332.48 : x
  2. Step 2: Convert to fraction form
    1,036,695.68/1,555,043.52 = 438,332.48/x
  3. Step 3: Cross multiply
    1,036,695.68x = 1,555,043.52 × 438,332.48
  4. Step 4: Simplify right side
    1,036,695.68x = 681,626,074,854.31
  5. Step 5: Solve for x
    x = 681,626,074,854.31/1,036,695.68
  6. Step 6: Final answer
    x = 657,498.72

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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.