Home / 807,088.88-1,113,516.06-520,799.24

Finding the Fourth Proportional to 807,088.88, 1,113,516.06 and 520,799.24

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Solution

The fourth proportional to 807,088.88, 1,113,516.06 and 520,799.24 is: 718,530.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,088.88 : 1,113,516.06 = 520,799.24 : x
  2. Step 2: Convert to fraction form
    807,088.88/1,113,516.06 = 520,799.24/x
  3. Step 3: Cross multiply
    807,088.88x = 1,113,516.06 × 520,799.24
  4. Step 4: Simplify right side
    807,088.88x = 579,918,317,775.79
  5. Step 5: Solve for x
    x = 579,918,317,775.79/807,088.88
  6. Step 6: Final answer
    x = 718,530.92

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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.