Home / 1,087,390.08-1,630,665.95-413,116.11

Finding the Fourth Proportional to 1,087,390.08, 1,630,665.95 and 413,116.11

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Solution

The fourth proportional to 1,087,390.08, 1,630,665.95 and 413,116.11 is: 619,514.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,390.08 : 1,630,665.95 = 413,116.11 : x
  2. Step 2: Convert to fraction form
    1,087,390.08/1,630,665.95 = 413,116.11/x
  3. Step 3: Cross multiply
    1,087,390.08x = 1,630,665.95 × 413,116.11
  4. Step 4: Simplify right side
    1,087,390.08x = 673,654,371,907.87
  5. Step 5: Solve for x
    x = 673,654,371,907.87/1,087,390.08
  6. Step 6: Final answer
    x = 619,514.91

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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.