Home / 743,043.05-1,025,713.31-501,652.59

Finding the Fourth Proportional to 743,043.05, 1,025,713.31 and 501,652.59

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Solution

The fourth proportional to 743,043.05, 1,025,713.31 and 501,652.59 is: 692,492.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,043.05 : 1,025,713.31 = 501,652.59 : x
  2. Step 2: Convert to fraction form
    743,043.05/1,025,713.31 = 501,652.59/x
  3. Step 3: Cross multiply
    743,043.05x = 1,025,713.31 × 501,652.59
  4. Step 4: Simplify right side
    743,043.05x = 514,551,736,050.71
  5. Step 5: Solve for x
    x = 514,551,736,050.71/743,043.05
  6. Step 6: Final answer
    x = 692,492.49

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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.