Home / 1,118,671.39-1,543,758.64-609,373.77

Finding the Fourth Proportional to 1,118,671.39, 1,543,758.64 and 609,373.77

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Solution

The fourth proportional to 1,118,671.39, 1,543,758.64 and 609,373.77 is: 840,931.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,671.39 : 1,543,758.64 = 609,373.77 : x
  2. Step 2: Convert to fraction form
    1,118,671.39/1,543,758.64 = 609,373.77/x
  3. Step 3: Cross multiply
    1,118,671.39x = 1,543,758.64 × 609,373.77
  4. Step 4: Simplify right side
    1,118,671.39x = 940,726,022,426.87
  5. Step 5: Solve for x
    x = 940,726,022,426.87/1,118,671.39
  6. Step 6: Final answer
    x = 840,931.51

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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.