Home / 912,391.07-1,259,045.59-504,460.90

Finding the Fourth Proportional to 912,391.07, 1,259,045.59 and 504,460.90

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Solution

The fourth proportional to 912,391.07, 1,259,045.59 and 504,460.90 is: 696,126.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,391.07 : 1,259,045.59 = 504,460.90 : x
  2. Step 2: Convert to fraction form
    912,391.07/1,259,045.59 = 504,460.90/x
  3. Step 3: Cross multiply
    912,391.07x = 1,259,045.59 × 504,460.90
  4. Step 4: Simplify right side
    912,391.07x = 635,139,265,648.82
  5. Step 5: Solve for x
    x = 635,139,265,648.82/912,391.07
  6. Step 6: Final answer
    x = 696,126.13

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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.