Home / 912,920.41-1,259,924.33-525,748.51

Finding the Fourth Proportional to 912,920.41, 1,259,924.33 and 525,748.51

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Solution

The fourth proportional to 912,920.41, 1,259,924.33 and 525,748.51 is: 725,587.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,920.41 : 1,259,924.33 = 525,748.51 : x
  2. Step 2: Convert to fraction form
    912,920.41/1,259,924.33 = 525,748.51/x
  3. Step 3: Cross multiply
    912,920.41x = 1,259,924.33 × 525,748.51
  4. Step 4: Simplify right side
    912,920.41x = 662,403,339,210.25
  5. Step 5: Solve for x
    x = 662,403,339,210.25/912,920.41
  6. Step 6: Final answer
    x = 725,587.17

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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.