Home / 1,229,048.08-1,843,572.15-387,665.44

Finding the Fourth Proportional to 1,229,048.08, 1,843,572.15 and 387,665.44

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Solution

The fourth proportional to 1,229,048.08, 1,843,572.15 and 387,665.44 is: 581,498.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,048.08 : 1,843,572.15 = 387,665.44 : x
  2. Step 2: Convert to fraction form
    1,229,048.08/1,843,572.15 = 387,665.44/x
  3. Step 3: Cross multiply
    1,229,048.08x = 1,843,572.15 × 387,665.44
  4. Step 4: Simplify right side
    1,229,048.08x = 714,689,208,701.50
  5. Step 5: Solve for x
    x = 714,689,208,701.50/1,229,048.08
  6. Step 6: Final answer
    x = 581,498.17

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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.