Home / 2,625,316.80-3,938,532.48-828,719.52

Finding the Fourth Proportional to 2,625,316.80, 3,938,532.48 and 828,719.52

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Solution

The fourth proportional to 2,625,316.80, 3,938,532.48 and 828,719.52 is: 1,243,255.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625,316.80 : 3,938,532.48 = 828,719.52 : x
  2. Step 2: Convert to fraction form
    2,625,316.80/3,938,532.48 = 828,719.52/x
  3. Step 3: Cross multiply
    2,625,316.80x = 3,938,532.48 × 828,719.52
  4. Step 4: Simplify right side
    2,625,316.80x = 3,263,938,746,330.01
  5. Step 5: Solve for x
    x = 3,263,938,746,330.01/2,625,316.80
  6. Step 6: Final answer
    x = 1,243,255.19

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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.