Home / 912,233.05-1,259,081.45-530,480.05

Finding the Fourth Proportional to 912,233.05, 1,259,081.45 and 530,480.05

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Solution

The fourth proportional to 912,233.05, 1,259,081.45 and 530,480.05 is: 732,178.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,233.05 : 1,259,081.45 = 530,480.05 : x
  2. Step 2: Convert to fraction form
    912,233.05/1,259,081.45 = 530,480.05/x
  3. Step 3: Cross multiply
    912,233.05x = 1,259,081.45 × 530,480.05
  4. Step 4: Simplify right side
    912,233.05x = 667,917,590,550.07
  5. Step 5: Solve for x
    x = 667,917,590,550.07/912,233.05
  6. Step 6: Final answer
    x = 732,178.68

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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.