Home / 807,516.90-1,211,384.70-301,955.40

Finding the Fourth Proportional to 807,516.90, 1,211,384.70 and 301,955.40

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Solution

The fourth proportional to 807,516.90, 1,211,384.70 and 301,955.40 is: 452,973.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,516.90 : 1,211,384.70 = 301,955.40 : x
  2. Step 2: Convert to fraction form
    807,516.90/1,211,384.70 = 301,955.40/x
  3. Step 3: Cross multiply
    807,516.90x = 1,211,384.70 × 301,955.40
  4. Step 4: Simplify right side
    807,516.90x = 365,784,151,642.38
  5. Step 5: Solve for x
    x = 365,784,151,642.38/807,516.90
  6. Step 6: Final answer
    x = 452,973.99

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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.