Home / 1,404,613.16-1,925,363.05-1,385,712.68

Finding the Fourth Proportional to 1,404,613.16, 1,925,363.05 and 1,385,712.68

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Solution

The fourth proportional to 1,404,613.16, 1,925,363.05 and 1,385,712.68 is: 1,899,455.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,613.16 : 1,925,363.05 = 1,385,712.68 : x
  2. Step 2: Convert to fraction form
    1,404,613.16/1,925,363.05 = 1,385,712.68/x
  3. Step 3: Cross multiply
    1,404,613.16x = 1,925,363.05 × 1,385,712.68
  4. Step 4: Simplify right side
    1,404,613.16x = 2,667,999,991,988.47
  5. Step 5: Solve for x
    x = 2,667,999,991,988.47/1,404,613.16
  6. Step 6: Final answer
    x = 1,899,455.36

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.