Home / 811,507.91-1,119,913.92-448,925.54

Finding the Fourth Proportional to 811,507.91, 1,119,913.92 and 448,925.54

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Solution

The fourth proportional to 811,507.91, 1,119,913.92 and 448,925.54 is: 619,535.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,507.91 : 1,119,913.92 = 448,925.54 : x
  2. Step 2: Convert to fraction form
    811,507.91/1,119,913.92 = 448,925.54/x
  3. Step 3: Cross multiply
    811,507.91x = 1,119,913.92 × 448,925.54
  4. Step 4: Simplify right side
    811,507.91x = 502,757,955,689.95
  5. Step 5: Solve for x
    x = 502,757,955,689.95/811,507.91
  6. Step 6: Final answer
    x = 619,535.50

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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.