Home / 1,216,811.64-1,679,013.54-700,465.77

Finding the Fourth Proportional to 1,216,811.64, 1,679,013.54 and 700,465.77

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Solution

The fourth proportional to 1,216,811.64, 1,679,013.54 and 700,465.77 is: 966,535.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,811.64 : 1,679,013.54 = 700,465.77 : x
  2. Step 2: Convert to fraction form
    1,216,811.64/1,679,013.54 = 700,465.77/x
  3. Step 3: Cross multiply
    1,216,811.64x = 1,679,013.54 × 700,465.77
  4. Step 4: Simplify right side
    1,216,811.64x = 1,176,091,512,136.53
  5. Step 5: Solve for x
    x = 1,176,091,512,136.53/1,216,811.64
  6. Step 6: Final answer
    x = 966,535.39

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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.