Home / 1,492,428.87-2,238,643.31-370,497.87

Finding the Fourth Proportional to 1,492,428.87, 2,238,643.31 and 370,497.87

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Solution

The fourth proportional to 1,492,428.87, 2,238,643.31 and 370,497.87 is: 555,746.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,428.87 : 2,238,643.31 = 370,497.87 : x
  2. Step 2: Convert to fraction form
    1,492,428.87/2,238,643.31 = 370,497.87/x
  3. Step 3: Cross multiply
    1,492,428.87x = 2,238,643.31 × 370,497.87
  4. Step 4: Simplify right side
    1,492,428.87x = 829,412,576,192.26
  5. Step 5: Solve for x
    x = 829,412,576,192.26/1,492,428.87
  6. Step 6: Final answer
    x = 555,746.81

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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.