Home / 1,400,853.12-2,101,487.04-514,320

Finding the Fourth Proportional to 1,400,853.12, 2,101,487.04 and 514,320

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Solution

The fourth proportional to 1,400,853.12, 2,101,487.04 and 514,320 is: 771,556.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,853.12 : 2,101,487.04 = 514,320 : x
  2. Step 2: Convert to fraction form
    1,400,853.12/2,101,487.04 = 514,320/x
  3. Step 3: Cross multiply
    1,400,853.12x = 2,101,487.04 × 514,320
  4. Step 4: Simplify right side
    1,400,853.12x = 1,080,836,814,412.80
  5. Step 5: Solve for x
    x = 1,080,836,814,412.80/1,400,853.12
  6. Step 6: Final answer
    x = 771,556.13

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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.