Home / 933,764.20-1,288,577.64-525,864.40

Finding the Fourth Proportional to 933,764.20, 1,288,577.64 and 525,864.40

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Solution

The fourth proportional to 933,764.20, 1,288,577.64 and 525,864.40 is: 725,683.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,764.20 : 1,288,577.64 = 525,864.40 : x
  2. Step 2: Convert to fraction form
    933,764.20/1,288,577.64 = 525,864.40/x
  3. Step 3: Cross multiply
    933,764.20x = 1,288,577.64 × 525,864.40
  4. Step 4: Simplify right side
    933,764.20x = 677,617,107,512.02
  5. Step 5: Solve for x
    x = 677,617,107,512.02/933,764.20
  6. Step 6: Final answer
    x = 725,683.32

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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.