Home / 1,154,692.54-1,593,411.10-638,416.36

Finding the Fourth Proportional to 1,154,692.54, 1,593,411.10 and 638,416.36

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Solution

The fourth proportional to 1,154,692.54, 1,593,411.10 and 638,416.36 is: 880,978.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,692.54 : 1,593,411.10 = 638,416.36 : x
  2. Step 2: Convert to fraction form
    1,154,692.54/1,593,411.10 = 638,416.36/x
  3. Step 3: Cross multiply
    1,154,692.54x = 1,593,411.10 × 638,416.36
  4. Step 4: Simplify right side
    1,154,692.54x = 1,017,259,714,445.60
  5. Step 5: Solve for x
    x = 1,017,259,714,445.60/1,154,692.54
  6. Step 6: Final answer
    x = 880,978.86

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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.