Home / 912,919.41-1,259,922.95-525,747.51

Finding the Fourth Proportional to 912,919.41, 1,259,922.95 and 525,747.51

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Solution

The fourth proportional to 912,919.41, 1,259,922.95 and 525,747.51 is: 725,585.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,919.41 : 1,259,922.95 = 525,747.51 : x
  2. Step 2: Convert to fraction form
    912,919.41/1,259,922.95 = 525,747.51/x
  3. Step 3: Cross multiply
    912,919.41x = 1,259,922.95 × 525,747.51
  4. Step 4: Simplify right side
    912,919.41x = 662,401,356,054.50
  5. Step 5: Solve for x
    x = 662,401,356,054.50/912,919.41
  6. Step 6: Final answer
    x = 725,585.80

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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.