Home / 418,913.82-623,632.98-416,423.07

Finding the Fourth Proportional to 418,913.82, 623,632.98 and 416,423.07

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Solution

The fourth proportional to 418,913.82, 623,632.98 and 416,423.07 is: 619,925.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,913.82 : 623,632.98 = 416,423.07 : x
  2. Step 2: Convert to fraction form
    418,913.82/623,632.98 = 416,423.07/x
  3. Step 3: Cross multiply
    418,913.82x = 623,632.98 × 416,423.07
  4. Step 4: Simplify right side
    418,913.82x = 259,695,160,084.85
  5. Step 5: Solve for x
    x = 259,695,160,084.85/418,913.82
  6. Step 6: Final answer
    x = 619,925.02

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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.