Home / 1,091,693.75-1,637,315.08-292,785.38

Finding the Fourth Proportional to 1,091,693.75, 1,637,315.08 and 292,785.38

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Solution

The fourth proportional to 1,091,693.75, 1,637,315.08 and 292,785.38 is: 439,117.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,693.75 : 1,637,315.08 = 292,785.38 : x
  2. Step 2: Convert to fraction form
    1,091,693.75/1,637,315.08 = 292,785.38/x
  3. Step 3: Cross multiply
    1,091,693.75x = 1,637,315.08 × 292,785.38
  4. Step 4: Simplify right side
    1,091,693.75x = 479,381,908,958.99
  5. Step 5: Solve for x
    x = 479,381,908,958.99/1,091,693.75
  6. Step 6: Final answer
    x = 439,117.57

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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.