Home / 1,374,341.76-1,896,588-770,742.72

Finding the Fourth Proportional to 1,374,341.76, 1,896,588 and 770,742.72

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Solution

The fourth proportional to 1,374,341.76, 1,896,588 and 770,742.72 is: 1,063,622.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,341.76 : 1,896,588 = 770,742.72 : x
  2. Step 2: Convert to fraction form
    1,374,341.76/1,896,588 = 770,742.72/x
  3. Step 3: Cross multiply
    1,374,341.76x = 1,896,588 × 770,742.72
  4. Step 4: Simplify right side
    1,374,341.76x = 1,461,781,393,839.36
  5. Step 5: Solve for x
    x = 1,461,781,393,839.36/1,374,341.76
  6. Step 6: Final answer
    x = 1,063,622.92

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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.