Home / 1,361,534.06-1,878,088.07-838,328.87

Finding the Fourth Proportional to 1,361,534.06, 1,878,088.07 and 838,328.87

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Solution

The fourth proportional to 1,361,534.06, 1,878,088.07 and 838,328.87 is: 1,156,383.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,534.06 : 1,878,088.07 = 838,328.87 : x
  2. Step 2: Convert to fraction form
    1,361,534.06/1,878,088.07 = 838,328.87/x
  3. Step 3: Cross multiply
    1,361,534.06x = 1,878,088.07 × 838,328.87
  4. Step 4: Simplify right side
    1,361,534.06x = 1,574,455,445,291.94
  5. Step 5: Solve for x
    x = 1,574,455,445,291.94/1,361,534.06
  6. Step 6: Final answer
    x = 1,156,383.44

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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.