Home / 705,020.25-972,929.16-403,214.25

Finding the Fourth Proportional to 705,020.25, 972,929.16 and 403,214.25

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Solution

The fourth proportional to 705,020.25, 972,929.16 and 403,214.25 is: 556,436.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,020.25 : 972,929.16 = 403,214.25 : x
  2. Step 2: Convert to fraction form
    705,020.25/972,929.16 = 403,214.25/x
  3. Step 3: Cross multiply
    705,020.25x = 972,929.16 × 403,214.25
  4. Step 4: Simplify right side
    705,020.25x = 392,298,901,552.53
  5. Step 5: Solve for x
    x = 392,298,901,552.53/705,020.25
  6. Step 6: Final answer
    x = 556,436.36

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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.