Home / 912,609.25-1,259,369.04-525,411.84

Finding the Fourth Proportional to 912,609.25, 1,259,369.04 and 525,411.84

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Solution

The fourth proportional to 912,609.25, 1,259,369.04 and 525,411.84 is: 725,050.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,609.25 : 1,259,369.04 = 525,411.84 : x
  2. Step 2: Convert to fraction form
    912,609.25/1,259,369.04 = 525,411.84/x
  3. Step 3: Cross multiply
    912,609.25x = 1,259,369.04 × 525,411.84
  4. Step 4: Simplify right side
    912,609.25x = 661,687,404,545.43
  5. Step 5: Solve for x
    x = 661,687,404,545.43/912,609.25
  6. Step 6: Final answer
    x = 725,050.07

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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.