Home / 1,143,070.38-1,715,392.89-395,116.38

Finding the Fourth Proportional to 1,143,070.38, 1,715,392.89 and 395,116.38

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Solution

The fourth proportional to 1,143,070.38, 1,715,392.89 and 395,116.38 is: 592,946.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,070.38 : 1,715,392.89 = 395,116.38 : x
  2. Step 2: Convert to fraction form
    1,143,070.38/1,715,392.89 = 395,116.38/x
  3. Step 3: Cross multiply
    1,143,070.38x = 1,715,392.89 × 395,116.38
  4. Step 4: Simplify right side
    1,143,070.38x = 677,779,828,974.54
  5. Step 5: Solve for x
    x = 677,779,828,974.54/1,143,070.38
  6. Step 6: Final answer
    x = 592,946.72

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Double scale
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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.