Home / 979,033.17-1,468,970.75-530,074.88

Finding the Fourth Proportional to 979,033.17, 1,468,970.75 and 530,074.88

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Solution

The fourth proportional to 979,033.17, 1,468,970.75 and 530,074.88 is: 795,340.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,033.17 : 1,468,970.75 = 530,074.88 : x
  2. Step 2: Convert to fraction form
    979,033.17/1,468,970.75 = 530,074.88/x
  3. Step 3: Cross multiply
    979,033.17x = 1,468,970.75 × 530,074.88
  4. Step 4: Simplify right side
    979,033.17x = 778,664,488,010.09
  5. Step 5: Solve for x
    x = 778,664,488,010.09/979,033.17
  6. Step 6: Final answer
    x = 795,340.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.