Home / 566,783.06-782,168.02-312,153.08

Finding the Fourth Proportional to 566,783.06, 782,168.02 and 312,153.08

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Solution

The fourth proportional to 566,783.06, 782,168.02 and 312,153.08 is: 430,775.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,783.06 : 782,168.02 = 312,153.08 : x
  2. Step 2: Convert to fraction form
    566,783.06/782,168.02 = 312,153.08/x
  3. Step 3: Cross multiply
    566,783.06x = 782,168.02 × 312,153.08
  4. Step 4: Simplify right side
    566,783.06x = 244,156,156,520.50
  5. Step 5: Solve for x
    x = 244,156,156,520.50/566,783.06
  6. Step 6: Final answer
    x = 430,775.32

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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.