Home / 1,385,328.01-1,911,734.54-773,491.18

Finding the Fourth Proportional to 1,385,328.01, 1,911,734.54 and 773,491.18

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Solution

The fourth proportional to 1,385,328.01, 1,911,734.54 and 773,491.18 is: 1,067,407.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,328.01 : 1,911,734.54 = 773,491.18 : x
  2. Step 2: Convert to fraction form
    1,385,328.01/1,911,734.54 = 773,491.18/x
  3. Step 3: Cross multiply
    1,385,328.01x = 1,911,734.54 × 773,491.18
  4. Step 4: Simplify right side
    1,385,328.01x = 1,478,709,814,294.09
  5. Step 5: Solve for x
    x = 1,478,709,814,294.09/1,385,328.01
  6. Step 6: Final answer
    x = 1,067,407.72

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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.