Home / 563,623.40-845,358.30-169,639.40

Finding the Fourth Proportional to 563,623.40, 845,358.30 and 169,639.40

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Solution

The fourth proportional to 563,623.40, 845,358.30 and 169,639.40 is: 254,435.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,623.40 : 845,358.30 = 169,639.40 : x
  2. Step 2: Convert to fraction form
    563,623.40/845,358.30 = 169,639.40/x
  3. Step 3: Cross multiply
    563,623.40x = 845,358.30 × 169,639.40
  4. Step 4: Simplify right side
    563,623.40x = 143,406,074,797.02
  5. Step 5: Solve for x
    x = 143,406,074,797.02/563,623.40
  6. Step 6: Final answer
    x = 254,435.98

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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.