Home / 1,386,881.10-2,080,686.15-440,250.30

Finding the Fourth Proportional to 1,386,881.10, 2,080,686.15 and 440,250.30

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Solution

The fourth proportional to 1,386,881.10, 2,080,686.15 and 440,250.30 is: 660,491.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,881.10 : 2,080,686.15 = 440,250.30 : x
  2. Step 2: Convert to fraction form
    1,386,881.10/2,080,686.15 = 440,250.30/x
  3. Step 3: Cross multiply
    1,386,881.10x = 2,080,686.15 × 440,250.30
  4. Step 4: Simplify right side
    1,386,881.10x = 916,022,701,743.35
  5. Step 5: Solve for x
    x = 916,022,701,743.35/1,386,881.10
  6. Step 6: Final answer
    x = 660,491.16

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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.