Home / 629,430.66-868,624.02-342,950.76

Finding the Fourth Proportional to 629,430.66, 868,624.02 and 342,950.76

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Solution

The fourth proportional to 629,430.66, 868,624.02 and 342,950.76 is: 473,277.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,430.66 : 868,624.02 = 342,950.76 : x
  2. Step 2: Convert to fraction form
    629,430.66/868,624.02 = 342,950.76/x
  3. Step 3: Cross multiply
    629,430.66x = 868,624.02 × 342,950.76
  4. Step 4: Simplify right side
    629,430.66x = 297,895,267,813.26
  5. Step 5: Solve for x
    x = 297,895,267,813.26/629,430.66
  6. Step 6: Final answer
    x = 473,277.34

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Half scale
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Double scale
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Similar ratio
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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.