Home / 433,864.15-651,216.02-209,382.60

Finding the Fourth Proportional to 433,864.15, 651,216.02 and 209,382.60

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Solution

The fourth proportional to 433,864.15, 651,216.02 and 209,382.60 is: 314,276.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,864.15 : 651,216.02 = 209,382.60 : x
  2. Step 2: Convert to fraction form
    433,864.15/651,216.02 = 209,382.60/x
  3. Step 3: Cross multiply
    433,864.15x = 651,216.02 × 209,382.60
  4. Step 4: Simplify right side
    433,864.15x = 136,353,303,429.25
  5. Step 5: Solve for x
    x = 136,353,303,429.25/433,864.15
  6. Step 6: Final answer
    x = 314,276.49

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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.