Home / 988,643.04-1,483,079.84-357,853.92

Finding the Fourth Proportional to 988,643.04, 1,483,079.84 and 357,853.92

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Solution

The fourth proportional to 988,643.04, 1,483,079.84 and 357,853.92 is: 536,822.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,643.04 : 1,483,079.84 = 357,853.92 : x
  2. Step 2: Convert to fraction form
    988,643.04/1,483,079.84 = 357,853.92/x
  3. Step 3: Cross multiply
    988,643.04x = 1,483,079.84 × 357,853.92
  4. Step 4: Simplify right side
    988,643.04x = 530,725,934,416.97
  5. Step 5: Solve for x
    x = 530,725,934,416.97/988,643.04
  6. Step 6: Final answer
    x = 536,822.61

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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.