Home / 900,080.93-1,241,526.40-577,279.73

Finding the Fourth Proportional to 900,080.93, 1,241,526.40 and 577,279.73

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Solution

The fourth proportional to 900,080.93, 1,241,526.40 and 577,279.73 is: 796,270.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,080.93 : 1,241,526.40 = 577,279.73 : x
  2. Step 2: Convert to fraction form
    900,080.93/1,241,526.40 = 577,279.73/x
  3. Step 3: Cross multiply
    900,080.93x = 1,241,526.40 × 577,279.73
  4. Step 4: Simplify right side
    900,080.93x = 716,708,024,979.87
  5. Step 5: Solve for x
    x = 716,708,024,979.87/900,080.93
  6. Step 6: Final answer
    x = 796,270.65

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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.