Home / 1,295,140.69-1,787,307.19-714,388.65

Finding the Fourth Proportional to 1,295,140.69, 1,787,307.19 and 714,388.65

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Solution

The fourth proportional to 1,295,140.69, 1,787,307.19 and 714,388.65 is: 985,863.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,140.69 : 1,787,307.19 = 714,388.65 : x
  2. Step 2: Convert to fraction form
    1,295,140.69/1,787,307.19 = 714,388.65/x
  3. Step 3: Cross multiply
    1,295,140.69x = 1,787,307.19 × 714,388.65
  4. Step 4: Simplify right side
    1,295,140.69x = 1,276,831,962,111.02
  5. Step 5: Solve for x
    x = 1,276,831,962,111.02/1,295,140.69
  6. Step 6: Final answer
    x = 985,863.52

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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.