Home / 506,077.11-697,934.08-419,899.65

Finding the Fourth Proportional to 506,077.11, 697,934.08 and 419,899.65

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Solution

The fourth proportional to 506,077.11, 697,934.08 and 419,899.65 is: 579,086.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,077.11 : 697,934.08 = 419,899.65 : x
  2. Step 2: Convert to fraction form
    506,077.11/697,934.08 = 419,899.65/x
  3. Step 3: Cross multiply
    506,077.11x = 697,934.08 × 419,899.65
  4. Step 4: Simplify right side
    506,077.11x = 293,062,275,915.07
  5. Step 5: Solve for x
    x = 293,062,275,915.07/506,077.11
  6. Step 6: Final answer
    x = 579,086.21

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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.