Home / 805,378.39-1,111,356.42-474,182.04

Finding the Fourth Proportional to 805,378.39, 1,111,356.42 and 474,182.04

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Solution

The fourth proportional to 805,378.39, 1,111,356.42 and 474,182.04 is: 654,332.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,378.39 : 1,111,356.42 = 474,182.04 : x
  2. Step 2: Convert to fraction form
    805,378.39/1,111,356.42 = 474,182.04/x
  3. Step 3: Cross multiply
    805,378.39x = 1,111,356.42 × 474,182.04
  4. Step 4: Simplify right side
    805,378.39x = 526,985,254,402.70
  5. Step 5: Solve for x
    x = 526,985,254,402.70/805,378.39
  6. Step 6: Final answer
    x = 654,332.50

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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.