Home / 1,710,206.38-2,359,056.51-1,129,434.86

Finding the Fourth Proportional to 1,710,206.38, 2,359,056.51 and 1,129,434.86

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Solution

The fourth proportional to 1,710,206.38, 2,359,056.51 and 1,129,434.86 is: 1,557,941.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,710,206.38 : 2,359,056.51 = 1,129,434.86 : x
  2. Step 2: Convert to fraction form
    1,710,206.38/2,359,056.51 = 1,129,434.86/x
  3. Step 3: Cross multiply
    1,710,206.38x = 2,359,056.51 × 1,129,434.86
  4. Step 4: Simplify right side
    1,710,206.38x = 2,664,400,659,103.94
  5. Step 5: Solve for x
    x = 2,664,400,659,103.94/1,710,206.38
  6. Step 6: Final answer
    x = 1,557,941.01

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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.