Home / 879,818.36-1,214,176.23-517,175.69

Finding the Fourth Proportional to 879,818.36, 1,214,176.23 and 517,175.69

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Solution

The fourth proportional to 879,818.36, 1,214,176.23 and 517,175.69 is: 713,718.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,818.36 : 1,214,176.23 = 517,175.69 : x
  2. Step 2: Convert to fraction form
    879,818.36/1,214,176.23 = 517,175.69/x
  3. Step 3: Cross multiply
    879,818.36x = 1,214,176.23 × 517,175.69
  4. Step 4: Simplify right side
    879,818.36x = 627,942,423,460.97
  5. Step 5: Solve for x
    x = 627,942,423,460.97/879,818.36
  6. Step 6: Final answer
    x = 713,718.26

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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.