Home / 545,865.02-753,295.29-316,466.90

Finding the Fourth Proportional to 545,865.02, 753,295.29 and 316,466.90

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Solution

The fourth proportional to 545,865.02, 753,295.29 and 316,466.90 is: 436,725.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,865.02 : 753,295.29 = 316,466.90 : x
  2. Step 2: Convert to fraction form
    545,865.02/753,295.29 = 316,466.90/x
  3. Step 3: Cross multiply
    545,865.02x = 753,295.29 × 316,466.90
  4. Step 4: Simplify right side
    545,865.02x = 238,393,025,210.90
  5. Step 5: Solve for x
    x = 238,393,025,210.90/545,865.02
  6. Step 6: Final answer
    x = 436,725.23

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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.