Home / 881,400.57-1,208,411.36-865,457.34

Finding the Fourth Proportional to 881,400.57, 1,208,411.36 and 865,457.34

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Solution

The fourth proportional to 881,400.57, 1,208,411.36 and 865,457.34 is: 1,186,552.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,400.57 : 1,208,411.36 = 865,457.34 : x
  2. Step 2: Convert to fraction form
    881,400.57/1,208,411.36 = 865,457.34/x
  3. Step 3: Cross multiply
    881,400.57x = 1,208,411.36 × 865,457.34
  4. Step 4: Simplify right side
    881,400.57x = 1,045,828,476,924.10
  5. Step 5: Solve for x
    x = 1,045,828,476,924.10/881,400.57
  6. Step 6: Final answer
    x = 1,186,552.98

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.