Home / 454,990.95-683,048.03-286,510.95

Finding the Fourth Proportional to 454,990.95, 683,048.03 and 286,510.95

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Solution

The fourth proportional to 454,990.95, 683,048.03 and 286,510.95 is: 430,120.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,990.95 : 683,048.03 = 286,510.95 : x
  2. Step 2: Convert to fraction form
    454,990.95/683,048.03 = 286,510.95/x
  3. Step 3: Cross multiply
    454,990.95x = 683,048.03 × 286,510.95
  4. Step 4: Simplify right side
    454,990.95x = 195,700,738,538.37
  5. Step 5: Solve for x
    x = 195,700,738,538.37/454,990.95
  6. Step 6: Final answer
    x = 430,120.07

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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.