Home / 956,603.78-1,320,173.10-526,883.72

Finding the Fourth Proportional to 956,603.78, 1,320,173.10 and 526,883.72

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Solution

The fourth proportional to 956,603.78, 1,320,173.10 and 526,883.72 is: 727,132.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,603.78 : 1,320,173.10 = 526,883.72 : x
  2. Step 2: Convert to fraction form
    956,603.78/1,320,173.10 = 526,883.72/x
  3. Step 3: Cross multiply
    956,603.78x = 1,320,173.10 × 526,883.72
  4. Step 4: Simplify right side
    956,603.78x = 695,577,713,971.93
  5. Step 5: Solve for x
    x = 695,577,713,971.93/956,603.78
  6. Step 6: Final answer
    x = 727,132.52

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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.