Home / 610,828.20-916,599.60-255,812.40

Finding the Fourth Proportional to 610,828.20, 916,599.60 and 255,812.40

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Solution

The fourth proportional to 610,828.20, 916,599.60 and 255,812.40 is: 383,868.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,828.20 : 916,599.60 = 255,812.40 : x
  2. Step 2: Convert to fraction form
    610,828.20/916,599.60 = 255,812.40/x
  3. Step 3: Cross multiply
    610,828.20x = 916,599.60 × 255,812.40
  4. Step 4: Simplify right side
    610,828.20x = 234,477,543,515.04
  5. Step 5: Solve for x
    x = 234,477,543,515.04/610,828.20
  6. Step 6: Final answer
    x = 383,868.24

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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.