Home / 811,168.02-1,216,095.90-495,518.31

Finding the Fourth Proportional to 811,168.02, 1,216,095.90 and 495,518.31

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Solution

The fourth proportional to 811,168.02, 1,216,095.90 and 495,518.31 is: 742,876.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,168.02 : 1,216,095.90 = 495,518.31 : x
  2. Step 2: Convert to fraction form
    811,168.02/1,216,095.90 = 495,518.31/x
  3. Step 3: Cross multiply
    811,168.02x = 1,216,095.90 × 495,518.31
  4. Step 4: Simplify right side
    811,168.02x = 602,597,783,307.74
  5. Step 5: Solve for x
    x = 602,597,783,307.74/811,168.02
  6. Step 6: Final answer
    x = 742,876.65

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1.5x scale

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.