Home / 1,295,468.60-1,787,666.03-714,699.21

Finding the Fourth Proportional to 1,295,468.60, 1,787,666.03 and 714,699.21

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Solution

The fourth proportional to 1,295,468.60, 1,787,666.03 and 714,699.21 is: 986,240.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,468.60 : 1,787,666.03 = 714,699.21 : x
  2. Step 2: Convert to fraction form
    1,295,468.60/1,787,666.03 = 714,699.21/x
  3. Step 3: Cross multiply
    1,295,468.60x = 1,787,666.03 × 714,699.21
  4. Step 4: Simplify right side
    1,295,468.60x = 1,277,643,499,384.84
  5. Step 5: Solve for x
    x = 1,277,643,499,384.84/1,295,468.60
  6. Step 6: Final answer
    x = 986,240.42

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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.