Home / 566,716.02-782,073.81-312,068.22

Finding the Fourth Proportional to 566,716.02, 782,073.81 and 312,068.22

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Solution

The fourth proportional to 566,716.02, 782,073.81 and 312,068.22 is: 430,657.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,716.02 : 782,073.81 = 312,068.22 : x
  2. Step 2: Convert to fraction form
    566,716.02/782,073.81 = 312,068.22/x
  3. Step 3: Cross multiply
    566,716.02x = 782,073.81 × 312,068.22
  4. Step 4: Simplify right side
    566,716.02x = 244,060,381,795.32
  5. Step 5: Solve for x
    x = 244,060,381,795.32/566,716.02
  6. Step 6: Final answer
    x = 430,657.28

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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.