Home / 955,569.72-1,318,740.66-547,739.40

Finding the Fourth Proportional to 955,569.72, 1,318,740.66 and 547,739.40

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Solution

The fourth proportional to 955,569.72, 1,318,740.66 and 547,739.40 is: 755,911.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,569.72 : 1,318,740.66 = 547,739.40 : x
  2. Step 2: Convert to fraction form
    955,569.72/1,318,740.66 = 547,739.40/x
  3. Step 3: Cross multiply
    955,569.72x = 1,318,740.66 × 547,739.40
  4. Step 4: Simplify right side
    955,569.72x = 722,326,217,864.00
  5. Step 5: Solve for x
    x = 722,326,217,864.00/955,569.72
  6. Step 6: Final answer
    x = 755,911.58

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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.