Home / 426,935.60-589,227.45-412,915.58

Finding the Fourth Proportional to 426,935.60, 589,227.45 and 412,915.58

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Solution

The fourth proportional to 426,935.60, 589,227.45 and 412,915.58 is: 569,877.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,935.60 : 589,227.45 = 412,915.58 : x
  2. Step 2: Convert to fraction form
    426,935.60/589,227.45 = 412,915.58/x
  3. Step 3: Cross multiply
    426,935.60x = 589,227.45 × 412,915.58
  4. Step 4: Simplify right side
    426,935.60x = 243,301,194,268.67
  5. Step 5: Solve for x
    x = 243,301,194,268.67/426,935.60
  6. Step 6: Final answer
    x = 569,877.97

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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.