Home / 913,066.94-1,260,435.95-545,673.69

Finding the Fourth Proportional to 913,066.94, 1,260,435.95 and 545,673.69

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Solution

The fourth proportional to 913,066.94, 1,260,435.95 and 545,673.69 is: 753,270.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,066.94 : 1,260,435.95 = 545,673.69 : x
  2. Step 2: Convert to fraction form
    913,066.94/1,260,435.95 = 545,673.69/x
  3. Step 3: Cross multiply
    913,066.94x = 1,260,435.95 × 545,673.69
  4. Step 4: Simplify right side
    913,066.94x = 687,786,733,116.79
  5. Step 5: Solve for x
    x = 687,786,733,116.79/913,066.94
  6. Step 6: Final answer
    x = 753,270.87

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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.