Home / 1,385,283.01-1,911,671.92-773,445.14

Finding the Fourth Proportional to 1,385,283.01, 1,911,671.92 and 773,445.14

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Solution

The fourth proportional to 1,385,283.01, 1,911,671.92 and 773,445.14 is: 1,067,343.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,283.01 : 1,911,671.92 = 773,445.14 : x
  2. Step 2: Convert to fraction form
    1,385,283.01/1,911,671.92 = 773,445.14/x
  3. Step 3: Cross multiply
    1,385,283.01x = 1,911,671.92 × 773,445.14
  4. Step 4: Simplify right side
    1,385,283.01x = 1,478,573,355,798.47
  5. Step 5: Solve for x
    x = 1,478,573,355,798.47/1,385,283.01
  6. Step 6: Final answer
    x = 1,067,343.89

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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.