Home / 348,030.40-522,823.20-334,811.20

Finding the Fourth Proportional to 348,030.40, 522,823.20 and 334,811.20

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Solution

The fourth proportional to 348,030.40, 522,823.20 and 334,811.20 is: 502,964.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,030.40 : 522,823.20 = 334,811.20 : x
  2. Step 2: Convert to fraction form
    348,030.40/522,823.20 = 334,811.20/x
  3. Step 3: Cross multiply
    348,030.40x = 522,823.20 × 334,811.20
  4. Step 4: Simplify right side
    348,030.40x = 175,047,062,979.84
  5. Step 5: Solve for x
    x = 175,047,062,979.84/348,030.40
  6. Step 6: Final answer
    x = 502,964.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.