Home / 514,826.40-709,672.93-361,434.26

Finding the Fourth Proportional to 514,826.40, 709,672.93 and 361,434.26

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Solution

The fourth proportional to 514,826.40, 709,672.93 and 361,434.26 is: 498,226.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,826.40 : 709,672.93 = 361,434.26 : x
  2. Step 2: Convert to fraction form
    514,826.40/709,672.93 = 361,434.26/x
  3. Step 3: Cross multiply
    514,826.40x = 709,672.93 × 361,434.26
  4. Step 4: Simplify right side
    514,826.40x = 256,500,110,296.58
  5. Step 5: Solve for x
    x = 256,500,110,296.58/514,826.40
  6. Step 6: Final answer
    x = 498,226.41

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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.