Home / 807,990.16-1,117,041.96-606,436.24

Finding the Fourth Proportional to 807,990.16, 1,117,041.96 and 606,436.24

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Solution

The fourth proportional to 807,990.16, 1,117,041.96 and 606,436.24 is: 838,394.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,990.16 : 1,117,041.96 = 606,436.24 : x
  2. Step 2: Convert to fraction form
    807,990.16/1,117,041.96 = 606,436.24/x
  3. Step 3: Cross multiply
    807,990.16x = 1,117,041.96 × 606,436.24
  4. Step 4: Simplify right side
    807,990.16x = 677,414,726,144.63
  5. Step 5: Solve for x
    x = 677,414,726,144.63/807,990.16
  6. Step 6: Final answer
    x = 838,394.77

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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.