Home / 1,688,738.10-2,330,441.08-914,355.61

Finding the Fourth Proportional to 1,688,738.10, 2,330,441.08 and 914,355.61

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Solution

The fourth proportional to 1,688,738.10, 2,330,441.08 and 914,355.61 is: 1,261,801.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,738.10 : 2,330,441.08 = 914,355.61 : x
  2. Step 2: Convert to fraction form
    1,688,738.10/2,330,441.08 = 914,355.61/x
  3. Step 3: Cross multiply
    1,688,738.10x = 2,330,441.08 × 914,355.61
  4. Step 4: Simplify right side
    1,688,738.10x = 2,130,851,875,272.46
  5. Step 5: Solve for x
    x = 2,130,851,875,272.46/1,688,738.10
  6. Step 6: Final answer
    x = 1,261,801.27

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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.