Home / 1,341,395.88-1,850,188.98-910,928.76

Finding the Fourth Proportional to 1,341,395.88, 1,850,188.98 and 910,928.76

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Solution

The fourth proportional to 1,341,395.88, 1,850,188.98 and 910,928.76 is: 1,256,445.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,395.88 : 1,850,188.98 = 910,928.76 : x
  2. Step 2: Convert to fraction form
    1,341,395.88/1,850,188.98 = 910,928.76/x
  3. Step 3: Cross multiply
    1,341,395.88x = 1,850,188.98 × 910,928.76
  4. Step 4: Simplify right side
    1,341,395.88x = 1,685,390,353,317.06
  5. Step 5: Solve for x
    x = 1,685,390,353,317.06/1,341,395.88
  6. Step 6: Final answer
    x = 1,256,445.15

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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.