Home / 370,387.04-511,132.32-207,043.50

Finding the Fourth Proportional to 370,387.04, 511,132.32 and 207,043.50

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Solution

The fourth proportional to 370,387.04, 511,132.32 and 207,043.50 is: 285,719.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,387.04 : 511,132.32 = 207,043.50 : x
  2. Step 2: Convert to fraction form
    370,387.04/511,132.32 = 207,043.50/x
  3. Step 3: Cross multiply
    370,387.04x = 511,132.32 × 207,043.50
  4. Step 4: Simplify right side
    370,387.04x = 105,826,624,495.92
  5. Step 5: Solve for x
    x = 105,826,624,495.92/370,387.04
  6. Step 6: Final answer
    x = 285,719.03

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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.