Home / 983,588.76-1,357,339.14-553,874.04

Finding the Fourth Proportional to 983,588.76, 1,357,339.14 and 553,874.04

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Solution

The fourth proportional to 983,588.76, 1,357,339.14 and 553,874.04 is: 764,338.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,588.76 : 1,357,339.14 = 553,874.04 : x
  2. Step 2: Convert to fraction form
    983,588.76/1,357,339.14 = 553,874.04/x
  3. Step 3: Cross multiply
    983,588.76x = 1,357,339.14 × 553,874.04
  4. Step 4: Simplify right side
    983,588.76x = 751,794,913,121.93
  5. Step 5: Solve for x
    x = 751,794,913,121.93/983,588.76
  6. Step 6: Final answer
    x = 764,338.66

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Double scale
Find fourth proportional to 983,589.76, 1,357,340.52 and 553,875.04
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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.