Home / 563,535.40-846,080.70-445,340.20

Finding the Fourth Proportional to 563,535.40, 846,080.70 and 445,340.20

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Solution

The fourth proportional to 563,535.40, 846,080.70 and 445,340.20 is: 668,624.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,535.40 : 846,080.70 = 445,340.20 : x
  2. Step 2: Convert to fraction form
    563,535.40/846,080.70 = 445,340.20/x
  3. Step 3: Cross multiply
    563,535.40x = 846,080.70 × 445,340.20
  4. Step 4: Simplify right side
    563,535.40x = 376,793,748,154.14
  5. Step 5: Solve for x
    x = 376,793,748,154.14/563,535.40
  6. Step 6: Final answer
    x = 668,624.81

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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.