Home / 912,608.35-1,259,259.64-525,348.95

Finding the Fourth Proportional to 912,608.35, 1,259,259.64 and 525,348.95

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Solution

The fourth proportional to 912,608.35, 1,259,259.64 and 525,348.95 is: 724,901.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,608.35 : 1,259,259.64 = 525,348.95 : x
  2. Step 2: Convert to fraction form
    912,608.35/1,259,259.64 = 525,348.95/x
  3. Step 3: Cross multiply
    912,608.35x = 1,259,259.64 × 525,348.95
  4. Step 4: Simplify right side
    912,608.35x = 661,550,726,763.93
  5. Step 5: Solve for x
    x = 661,550,726,763.93/912,608.35
  6. Step 6: Final answer
    x = 724,901.02

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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.