Home / 1,688,739.60-2,330,443.15-914,357.11

Finding the Fourth Proportional to 1,688,739.60, 2,330,443.15 and 914,357.11

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Solution

The fourth proportional to 1,688,739.60, 2,330,443.15 and 914,357.11 is: 1,261,803.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,739.60 : 2,330,443.15 = 914,357.11 : x
  2. Step 2: Convert to fraction form
    1,688,739.60/2,330,443.15 = 914,357.11/x
  3. Step 3: Cross multiply
    1,688,739.60x = 2,330,443.15 × 914,357.11
  4. Step 4: Simplify right side
    1,688,739.60x = 2,130,857,263,653.30
  5. Step 5: Solve for x
    x = 2,130,857,263,653.30/1,688,739.60
  6. Step 6: Final answer
    x = 1,261,803.34

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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.