Home / 776,116.59-1,164,175.20-349,153.71

Finding the Fourth Proportional to 776,116.59, 1,164,175.20 and 349,153.71

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Solution

The fourth proportional to 776,116.59, 1,164,175.20 and 349,153.71 is: 523,730.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,116.59 : 1,164,175.20 = 349,153.71 : x
  2. Step 2: Convert to fraction form
    776,116.59/1,164,175.20 = 349,153.71/x
  3. Step 3: Cross multiply
    776,116.59x = 1,164,175.20 × 349,153.71
  4. Step 4: Simplify right side
    776,116.59x = 406,476,090,169.99
  5. Step 5: Solve for x
    x = 406,476,090,169.99/776,116.59
  6. Step 6: Final answer
    x = 523,730.71

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Double scale
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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.