Home / 472,823.10-709,234.65-465,824.70

Finding the Fourth Proportional to 472,823.10, 709,234.65 and 465,824.70

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Solution

The fourth proportional to 472,823.10, 709,234.65 and 465,824.70 is: 698,737.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,823.10 : 709,234.65 = 465,824.70 : x
  2. Step 2: Convert to fraction form
    472,823.10/709,234.65 = 465,824.70/x
  3. Step 3: Cross multiply
    472,823.10x = 709,234.65 × 465,824.70
  4. Step 4: Simplify right side
    472,823.10x = 330,379,018,065.86
  5. Step 5: Solve for x
    x = 330,379,018,065.86/472,823.10
  6. Step 6: Final answer
    x = 698,737.05

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Similar ratio
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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.