Home / 1,276,095.18-1,759,828.14-931,385.46

Finding the Fourth Proportional to 1,276,095.18, 1,759,828.14 and 931,385.46

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Solution

The fourth proportional to 1,276,095.18, 1,759,828.14 and 931,385.46 is: 1,284,448.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,095.18 : 1,759,828.14 = 931,385.46 : x
  2. Step 2: Convert to fraction form
    1,276,095.18/1,759,828.14 = 931,385.46/x
  3. Step 3: Cross multiply
    1,276,095.18x = 1,759,828.14 × 931,385.46
  4. Step 4: Simplify right side
    1,276,095.18x = 1,639,078,341,694.84
  5. Step 5: Solve for x
    x = 1,639,078,341,694.84/1,276,095.18
  6. Step 6: Final answer
    x = 1,284,448.34

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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.