Home / 912,326.78-1,365,100.32-573,786.50

Finding the Fourth Proportional to 912,326.78, 1,365,100.32 and 573,786.50

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Solution

The fourth proportional to 912,326.78, 1,365,100.32 and 573,786.50 is: 858,547.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,326.78 : 1,365,100.32 = 573,786.50 : x
  2. Step 2: Convert to fraction form
    912,326.78/1,365,100.32 = 573,786.50/x
  3. Step 3: Cross multiply
    912,326.78x = 1,365,100.32 × 573,786.50
  4. Step 4: Simplify right side
    912,326.78x = 783,276,134,761.68
  5. Step 5: Solve for x
    x = 783,276,134,761.68/912,326.78
  6. Step 6: Final answer
    x = 858,547.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.