Home / 900,076.93-1,241,520.89-577,275.73

Finding the Fourth Proportional to 900,076.93, 1,241,520.89 and 577,275.73

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Solution

The fourth proportional to 900,076.93, 1,241,520.89 and 577,275.73 is: 796,265.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,076.93 : 1,241,520.89 = 577,275.73 : x
  2. Step 2: Convert to fraction form
    900,076.93/1,241,520.89 = 577,275.73/x
  3. Step 3: Cross multiply
    900,076.93x = 1,241,520.89 × 577,275.73
  4. Step 4: Simplify right side
    900,076.93x = 716,699,872,094.82
  5. Step 5: Solve for x
    x = 716,699,872,094.82/900,076.93
  6. Step 6: Final answer
    x = 796,265.13

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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.