Home / 955,178.33-1,318,118.51-525,458.57

Finding the Fourth Proportional to 955,178.33, 1,318,118.51 and 525,458.57

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Solution

The fourth proportional to 955,178.33, 1,318,118.51 and 525,458.57 is: 725,117.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,178.33 : 1,318,118.51 = 525,458.57 : x
  2. Step 2: Convert to fraction form
    955,178.33/1,318,118.51 = 525,458.57/x
  3. Step 3: Cross multiply
    955,178.33x = 1,318,118.51 × 525,458.57
  4. Step 4: Simplify right side
    955,178.33x = 692,616,662,078.19
  5. Step 5: Solve for x
    x = 692,616,662,078.19/955,178.33
  6. Step 6: Final answer
    x = 725,117.65

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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.