Home / 933,730.20-1,288,530.72-525,830.40

Finding the Fourth Proportional to 933,730.20, 1,288,530.72 and 525,830.40

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Solution

The fourth proportional to 933,730.20, 1,288,530.72 and 525,830.40 is: 725,636.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,730.20 : 1,288,530.72 = 525,830.40 : x
  2. Step 2: Convert to fraction form
    933,730.20/1,288,530.72 = 525,830.40/x
  3. Step 3: Cross multiply
    933,730.20x = 1,288,530.72 × 525,830.40
  4. Step 4: Simplify right side
    933,730.20x = 677,548,623,909.89
  5. Step 5: Solve for x
    x = 677,548,623,909.89/933,730.20
  6. Step 6: Final answer
    x = 725,636.40

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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.