Home / 943,858.65-1,302,518.25-514,138.77

Finding the Fourth Proportional to 943,858.65, 1,302,518.25 and 514,138.77

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Solution

The fourth proportional to 943,858.65, 1,302,518.25 and 514,138.77 is: 709,507.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,858.65 : 1,302,518.25 = 514,138.77 : x
  2. Step 2: Convert to fraction form
    943,858.65/1,302,518.25 = 514,138.77/x
  3. Step 3: Cross multiply
    943,858.65x = 1,302,518.25 × 514,138.77
  4. Step 4: Simplify right side
    943,858.65x = 669,675,130,957.55
  5. Step 5: Solve for x
    x = 669,675,130,957.55/943,858.65
  6. Step 6: Final answer
    x = 709,507.86

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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.