Home / 889,411.80-1,334,117.70-534,826.20

Finding the Fourth Proportional to 889,411.80, 1,334,117.70 and 534,826.20

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Solution

The fourth proportional to 889,411.80, 1,334,117.70 and 534,826.20 is: 802,239.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,411.80 : 1,334,117.70 = 534,826.20 : x
  2. Step 2: Convert to fraction form
    889,411.80/1,334,117.70 = 534,826.20/x
  3. Step 3: Cross multiply
    889,411.80x = 1,334,117.70 × 534,826.20
  4. Step 4: Simplify right side
    889,411.80x = 713,521,099,843.74
  5. Step 5: Solve for x
    x = 713,521,099,843.74/889,411.80
  6. Step 6: Final answer
    x = 802,239.30

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.