Home / 591,417.57-816,155.44-336,768.76

Finding the Fourth Proportional to 591,417.57, 816,155.44 and 336,768.76

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Solution

The fourth proportional to 591,417.57, 816,155.44 and 336,768.76 is: 464,740.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,417.57 : 816,155.44 = 336,768.76 : x
  2. Step 2: Convert to fraction form
    591,417.57/816,155.44 = 336,768.76/x
  3. Step 3: Cross multiply
    591,417.57x = 816,155.44 × 336,768.76
  4. Step 4: Simplify right side
    591,417.57x = 274,855,651,415.28
  5. Step 5: Solve for x
    x = 274,855,651,415.28/591,417.57
  6. Step 6: Final answer
    x = 464,740.42

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Double scale
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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.