Home / 718,084.98-990,899.01-416,298.42

Finding the Fourth Proportional to 718,084.98, 990,899.01 and 416,298.42

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Solution

The fourth proportional to 718,084.98, 990,899.01 and 416,298.42 is: 574,458.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,084.98 : 990,899.01 = 416,298.42 : x
  2. Step 2: Convert to fraction form
    718,084.98/990,899.01 = 416,298.42/x
  3. Step 3: Cross multiply
    718,084.98x = 990,899.01 × 416,298.42
  4. Step 4: Simplify right side
    718,084.98x = 412,509,692,242.56
  5. Step 5: Solve for x
    x = 412,509,692,242.56/718,084.98
  6. Step 6: Final answer
    x = 574,458.04

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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.