Home / 805,380.89-1,111,359.47-474,184.17

Finding the Fourth Proportional to 805,380.89, 1,111,359.47 and 474,184.17

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Solution

The fourth proportional to 805,380.89, 1,111,359.47 and 474,184.17 is: 654,335.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,380.89 : 1,111,359.47 = 474,184.17 : x
  2. Step 2: Convert to fraction form
    805,380.89/1,111,359.47 = 474,184.17/x
  3. Step 3: Cross multiply
    805,380.89x = 1,111,359.47 × 474,184.17
  4. Step 4: Simplify right side
    805,380.89x = 526,989,065,482.67
  5. Step 5: Solve for x
    x = 526,989,065,482.67/805,380.89
  6. Step 6: Final answer
    x = 654,335.20

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Double scale
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1.5x scale

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.