Home / 1,536,705.79-2,120,931.55-916,550.70

Finding the Fourth Proportional to 1,536,705.79, 2,120,931.55 and 916,550.70

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Solution

The fourth proportional to 1,536,705.79, 2,120,931.55 and 916,550.70 is: 1,265,005.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536,705.79 : 2,120,931.55 = 916,550.70 : x
  2. Step 2: Convert to fraction form
    1,536,705.79/2,120,931.55 = 916,550.70/x
  3. Step 3: Cross multiply
    1,536,705.79x = 2,120,931.55 × 916,550.70
  4. Step 4: Simplify right side
    1,536,705.79x = 1,943,941,296,804.58
  5. Step 5: Solve for x
    x = 1,943,941,296,804.58/1,536,705.79
  6. Step 6: Final answer
    x = 1,265,005.51

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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.