Home / 1,403,690.16-2,105,535.45-338,732.23

Finding the Fourth Proportional to 1,403,690.16, 2,105,535.45 and 338,732.23

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Solution

The fourth proportional to 1,403,690.16, 2,105,535.45 and 338,732.23 is: 508,098.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,690.16 : 2,105,535.45 = 338,732.23 : x
  2. Step 2: Convert to fraction form
    1,403,690.16/2,105,535.45 = 338,732.23/x
  3. Step 3: Cross multiply
    1,403,690.16x = 2,105,535.45 × 338,732.23
  4. Step 4: Simplify right side
    1,403,690.16x = 713,212,716,371.47
  5. Step 5: Solve for x
    x = 713,212,716,371.47/1,403,690.16
  6. Step 6: Final answer
    x = 508,098.39

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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.