Home / 1,091,382.93-1,636,675.25-417,130.83

Finding the Fourth Proportional to 1,091,382.93, 1,636,675.25 and 417,130.83

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Solution

The fourth proportional to 1,091,382.93, 1,636,675.25 and 417,130.83 is: 625,543.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,382.93 : 1,636,675.25 = 417,130.83 : x
  2. Step 2: Convert to fraction form
    1,091,382.93/1,636,675.25 = 417,130.83/x
  3. Step 3: Cross multiply
    1,091,382.93x = 1,636,675.25 × 417,130.83
  4. Step 4: Simplify right side
    1,091,382.93x = 682,707,703,387.30
  5. Step 5: Solve for x
    x = 682,707,703,387.30/1,091,382.93
  6. Step 6: Final answer
    x = 625,543.69

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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.