Home / 352,038.40-526,521.60-314,867.20

Finding the Fourth Proportional to 352,038.40, 526,521.60 and 314,867.20

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Solution

The fourth proportional to 352,038.40, 526,521.60 and 314,867.20 is: 470,926.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,038.40 : 526,521.60 = 314,867.20 : x
  2. Step 2: Convert to fraction form
    352,038.40/526,521.60 = 314,867.20/x
  3. Step 3: Cross multiply
    352,038.40x = 526,521.60 × 314,867.20
  4. Step 4: Simplify right side
    352,038.40x = 165,784,381,931.52
  5. Step 5: Solve for x
    x = 165,784,381,931.52/352,038.40
  6. Step 6: Final answer
    x = 470,926.98

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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.