Home / 693,601.40-1,039,235.70-456,822.20

Finding the Fourth Proportional to 693,601.40, 1,039,235.70 and 456,822.20

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Solution

The fourth proportional to 693,601.40, 1,039,235.70 and 456,822.20 is: 684,465.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,601.40 : 1,039,235.70 = 456,822.20 : x
  2. Step 2: Convert to fraction form
    693,601.40/1,039,235.70 = 456,822.20/x
  3. Step 3: Cross multiply
    693,601.40x = 1,039,235.70 × 456,822.20
  4. Step 4: Simplify right side
    693,601.40x = 474,745,938,792.54
  5. Step 5: Solve for x
    x = 474,745,938,792.54/693,601.40
  6. Step 6: Final answer
    x = 684,465.08

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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.