Home / 1,487,778.10-2,053,135.14-808,714.60

Finding the Fourth Proportional to 1,487,778.10, 2,053,135.14 and 808,714.60

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Solution

The fourth proportional to 1,487,778.10, 2,053,135.14 and 808,714.60 is: 1,116,026.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,778.10 : 2,053,135.14 = 808,714.60 : x
  2. Step 2: Convert to fraction form
    1,487,778.10/2,053,135.14 = 808,714.60/x
  3. Step 3: Cross multiply
    1,487,778.10x = 2,053,135.14 × 808,714.60
  4. Step 4: Simplify right side
    1,487,778.10x = 1,660,400,363,491.04
  5. Step 5: Solve for x
    x = 1,660,400,363,491.04/1,487,778.10
  6. Step 6: Final answer
    x = 1,116,026.89

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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.