Home / 1,660,590.92-2,291,988.48-1,087,297.76

Finding the Fourth Proportional to 1,660,590.92, 2,291,988.48 and 1,087,297.76

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Solution

The fourth proportional to 1,660,590.92, 2,291,988.48 and 1,087,297.76 is: 1,500,715.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,590.92 : 2,291,988.48 = 1,087,297.76 : x
  2. Step 2: Convert to fraction form
    1,660,590.92/2,291,988.48 = 1,087,297.76/x
  3. Step 3: Cross multiply
    1,660,590.92x = 2,291,988.48 × 1,087,297.76
  4. Step 4: Simplify right side
    1,660,590.92x = 2,492,073,940,249.80
  5. Step 5: Solve for x
    x = 2,492,073,940,249.80/1,660,590.92
  6. Step 6: Final answer
    x = 1,500,715.14

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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.