Home / 906,931.10-1,360,068.60-366,960.80

Finding the Fourth Proportional to 906,931.10, 1,360,068.60 and 366,960.80

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Solution

The fourth proportional to 906,931.10, 1,360,068.60 and 366,960.80 is: 550,308.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,931.10 : 1,360,068.60 = 366,960.80 : x
  2. Step 2: Convert to fraction form
    906,931.10/1,360,068.60 = 366,960.80/x
  3. Step 3: Cross multiply
    906,931.10x = 1,360,068.60 × 366,960.80
  4. Step 4: Simplify right side
    906,931.10x = 499,091,861,510.88
  5. Step 5: Solve for x
    x = 499,091,861,510.88/906,931.10
  6. Step 6: Final answer
    x = 550,308.47

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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.