Home / 566,029.63-781,559.40-434,999.80

Finding the Fourth Proportional to 566,029.63, 781,559.40 and 434,999.80

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Solution

The fourth proportional to 566,029.63, 781,559.40 and 434,999.80 is: 600,636.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,029.63 : 781,559.40 = 434,999.80 : x
  2. Step 2: Convert to fraction form
    566,029.63/781,559.40 = 434,999.80/x
  3. Step 3: Cross multiply
    566,029.63x = 781,559.40 × 434,999.80
  4. Step 4: Simplify right side
    566,029.63x = 339,978,182,688.12
  5. Step 5: Solve for x
    x = 339,978,182,688.12/566,029.63
  6. Step 6: Final answer
    x = 600,636.72

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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.