Home / 807,495.83-1,114,369.50-463,394.71

Finding the Fourth Proportional to 807,495.83, 1,114,369.50 and 463,394.71

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Solution

The fourth proportional to 807,495.83, 1,114,369.50 and 463,394.71 is: 639,499.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,495.83 : 1,114,369.50 = 463,394.71 : x
  2. Step 2: Convert to fraction form
    807,495.83/1,114,369.50 = 463,394.71/x
  3. Step 3: Cross multiply
    807,495.83x = 1,114,369.50 × 463,394.71
  4. Step 4: Simplify right side
    807,495.83x = 516,392,931,285.35
  5. Step 5: Solve for x
    x = 516,392,931,285.35/807,495.83
  6. Step 6: Final answer
    x = 639,499.19

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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.