Home / 783,454.11-1,175,350.35-243,700.11

Finding the Fourth Proportional to 783,454.11, 1,175,350.35 and 243,700.11

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Solution

The fourth proportional to 783,454.11, 1,175,350.35 and 243,700.11 is: 365,602.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,454.11 : 1,175,350.35 = 243,700.11 : x
  2. Step 2: Convert to fraction form
    783,454.11/1,175,350.35 = 243,700.11/x
  3. Step 3: Cross multiply
    783,454.11x = 1,175,350.35 × 243,700.11
  4. Step 4: Simplify right side
    783,454.11x = 286,433,009,583.54
  5. Step 5: Solve for x
    x = 286,433,009,583.54/783,454.11
  6. Step 6: Final answer
    x = 365,602.79

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.