Home / 418,890.34-623,597.40-416,399.19

Finding the Fourth Proportional to 418,890.34, 623,597.40 and 416,399.19

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Solution

The fourth proportional to 418,890.34, 623,597.40 and 416,399.19 is: 619,888.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,890.34 : 623,597.40 = 416,399.19 : x
  2. Step 2: Convert to fraction form
    418,890.34/623,597.40 = 416,399.19/x
  3. Step 3: Cross multiply
    418,890.34x = 623,597.40 × 416,399.19
  4. Step 4: Simplify right side
    418,890.34x = 259,665,452,246.11
  5. Step 5: Solve for x
    x = 259,665,452,246.11/418,890.34
  6. Step 6: Final answer
    x = 619,888.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.