Home / 452,666.23-624,445.17-307,479.50

Finding the Fourth Proportional to 452,666.23, 624,445.17 and 307,479.50

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Solution

The fourth proportional to 452,666.23, 624,445.17 and 307,479.50 is: 424,162.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,666.23 : 624,445.17 = 307,479.50 : x
  2. Step 2: Convert to fraction form
    452,666.23/624,445.17 = 307,479.50/x
  3. Step 3: Cross multiply
    452,666.23x = 624,445.17 × 307,479.50
  4. Step 4: Simplify right side
    452,666.23x = 192,004,086,715.41
  5. Step 5: Solve for x
    x = 192,004,086,715.41/452,666.23
  6. Step 6: Final answer
    x = 424,162.61

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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.