Home / 386,820.02-533,816.52-217,050.50

Finding the Fourth Proportional to 386,820.02, 533,816.52 and 217,050.50

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Solution

The fourth proportional to 386,820.02, 533,816.52 and 217,050.50 is: 299,532.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,820.02 : 533,816.52 = 217,050.50 : x
  2. Step 2: Convert to fraction form
    386,820.02/533,816.52 = 217,050.50/x
  3. Step 3: Cross multiply
    386,820.02x = 533,816.52 × 217,050.50
  4. Step 4: Simplify right side
    386,820.02x = 115,865,142,574.26
  5. Step 5: Solve for x
    x = 115,865,142,574.26/386,820.02
  6. Step 6: Final answer
    x = 299,532.44

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1.5x scale

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.