Home / 691,255.98-953,953.47-404,749.26

Finding the Fourth Proportional to 691,255.98, 953,953.47 and 404,749.26

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Solution

The fourth proportional to 691,255.98, 953,953.47 and 404,749.26 is: 558,565.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,255.98 : 953,953.47 = 404,749.26 : x
  2. Step 2: Convert to fraction form
    691,255.98/953,953.47 = 404,749.26/x
  3. Step 3: Cross multiply
    691,255.98x = 953,953.47 × 404,749.26
  4. Step 4: Simplify right side
    691,255.98x = 386,111,961,056.93
  5. Step 5: Solve for x
    x = 386,111,961,056.93/691,255.98
  6. Step 6: Final answer
    x = 558,565.82

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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.