Home / 890,527.65-1,228,925.00-482,639.40

Finding the Fourth Proportional to 890,527.65, 1,228,925.00 and 482,639.40

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Solution

The fourth proportional to 890,527.65, 1,228,925.00 and 482,639.40 is: 666,040.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,527.65 : 1,228,925.00 = 482,639.40 : x
  2. Step 2: Convert to fraction form
    890,527.65/1,228,925.00 = 482,639.40/x
  3. Step 3: Cross multiply
    890,527.65x = 1,228,925.00 × 482,639.40
  4. Step 4: Simplify right side
    890,527.65x = 593,127,622,231.80
  5. Step 5: Solve for x
    x = 593,127,622,231.80/890,527.65
  6. Step 6: Final answer
    x = 666,040.66

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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.