Home / 353,191.40-530,823.90-307,572.20

Finding the Fourth Proportional to 353,191.40, 530,823.90 and 307,572.20

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Solution

The fourth proportional to 353,191.40, 530,823.90 and 307,572.20 is: 462,261.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,191.40 : 530,823.90 = 307,572.20 : x
  2. Step 2: Convert to fraction form
    353,191.40/530,823.90 = 307,572.20/x
  3. Step 3: Cross multiply
    353,191.40x = 530,823.90 × 307,572.20
  4. Step 4: Simplify right side
    353,191.40x = 163,266,674,735.58
  5. Step 5: Solve for x
    x = 163,266,674,735.58/353,191.40
  6. Step 6: Final answer
    x = 462,261.18

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1.5x scale

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.