Home / 425,743.47-586,915.41-334,941.78

Finding the Fourth Proportional to 425,743.47, 586,915.41 and 334,941.78

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Solution

The fourth proportional to 425,743.47, 586,915.41 and 334,941.78 is: 461,739.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,743.47 : 586,915.41 = 334,941.78 : x
  2. Step 2: Convert to fraction form
    425,743.47/586,915.41 = 334,941.78/x
  3. Step 3: Cross multiply
    425,743.47x = 586,915.41 × 334,941.78
  4. Step 4: Simplify right side
    425,743.47x = 196,582,492,134.83
  5. Step 5: Solve for x
    x = 196,582,492,134.83/425,743.47
  6. Step 6: Final answer
    x = 461,739.30

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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.