Home / 807,145.65-1,113,868.53-444,570.84

Finding the Fourth Proportional to 807,145.65, 1,113,868.53 and 444,570.84

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Solution

The fourth proportional to 807,145.65, 1,113,868.53 and 444,570.84 is: 613,511.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,145.65 : 1,113,868.53 = 444,570.84 : x
  2. Step 2: Convert to fraction form
    807,145.65/1,113,868.53 = 444,570.84/x
  3. Step 3: Cross multiply
    807,145.65x = 1,113,868.53 × 444,570.84
  4. Step 4: Simplify right side
    807,145.65x = 495,193,468,031.67
  5. Step 5: Solve for x
    x = 495,193,468,031.67/807,145.65
  6. Step 6: Final answer
    x = 613,511.91

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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.