Home / 1,053,120.48-1,578,411.56-483,715.84

Finding the Fourth Proportional to 1,053,120.48, 1,578,411.56 and 483,715.84

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Solution

The fourth proportional to 1,053,120.48, 1,578,411.56 and 483,715.84 is: 724,990.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,120.48 : 1,578,411.56 = 483,715.84 : x
  2. Step 2: Convert to fraction form
    1,053,120.48/1,578,411.56 = 483,715.84/x
  3. Step 3: Cross multiply
    1,053,120.48x = 1,578,411.56 × 483,715.84
  4. Step 4: Simplify right side
    1,053,120.48x = 763,502,673,611.11
  5. Step 5: Solve for x
    x = 763,502,673,611.11/1,053,120.48
  6. Step 6: Final answer
    x = 724,990.81

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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.