Home / 1,140,210.66-1,573,383.51-771,938.61

Finding the Fourth Proportional to 1,140,210.66, 1,573,383.51 and 771,938.61

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Solution

The fourth proportional to 1,140,210.66, 1,573,383.51 and 771,938.61 is: 1,065,202.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,210.66 : 1,573,383.51 = 771,938.61 : x
  2. Step 2: Convert to fraction form
    1,140,210.66/1,573,383.51 = 771,938.61/x
  3. Step 3: Cross multiply
    1,140,210.66x = 1,573,383.51 × 771,938.61
  4. Step 4: Simplify right side
    1,140,210.66x = 1,214,555,479,706.32
  5. Step 5: Solve for x
    x = 1,214,555,479,706.32/1,140,210.66
  6. Step 6: Final answer
    x = 1,065,202.71

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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.