Home / 1,686,538.80-2,529,809.22-424,366.44

Finding the Fourth Proportional to 1,686,538.80, 2,529,809.22 and 424,366.44

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Solution

The fourth proportional to 1,686,538.80, 2,529,809.22 and 424,366.44 is: 636,549.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,538.80 : 2,529,809.22 = 424,366.44 : x
  2. Step 2: Convert to fraction form
    1,686,538.80/2,529,809.22 = 424,366.44/x
  3. Step 3: Cross multiply
    1,686,538.80x = 2,529,809.22 × 424,366.44
  4. Step 4: Simplify right side
    1,686,538.80x = 1,073,566,132,570.58
  5. Step 5: Solve for x
    x = 1,073,566,132,570.58/1,686,538.80
  6. Step 6: Final answer
    x = 636,549.92

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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.