Home / 1,756,407.70-2,423,780.58-992,444.86

Finding the Fourth Proportional to 1,756,407.70, 2,423,780.58 and 992,444.86

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Solution

The fourth proportional to 1,756,407.70, 2,423,780.58 and 992,444.86 is: 1,369,538.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,756,407.70 : 2,423,780.58 = 992,444.86 : x
  2. Step 2: Convert to fraction form
    1,756,407.70/2,423,780.58 = 992,444.86/x
  3. Step 3: Cross multiply
    1,756,407.70x = 2,423,780.58 × 992,444.86
  4. Step 4: Simplify right side
    1,756,407.70x = 2,405,468,578,388.82
  5. Step 5: Solve for x
    x = 2,405,468,578,388.82/1,756,407.70
  6. Step 6: Final answer
    x = 1,369,538.85

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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.