Home / 933,666.55-1,288,447.36-525,808.67

Finding the Fourth Proportional to 933,666.55, 1,288,447.36 and 525,808.67

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Solution

The fourth proportional to 933,666.55, 1,288,447.36 and 525,808.67 is: 725,608.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,666.55 : 1,288,447.36 = 525,808.67 : x
  2. Step 2: Convert to fraction form
    933,666.55/1,288,447.36 = 525,808.67/x
  3. Step 3: Cross multiply
    933,666.55x = 1,288,447.36 × 525,808.67
  4. Step 4: Simplify right side
    933,666.55x = 677,476,784,969.85
  5. Step 5: Solve for x
    x = 677,476,784,969.85/933,666.55
  6. Step 6: Final answer
    x = 725,608.93

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1.5x scale

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.