Home / 879,267.34-1,213,003.69-516,527.57

Finding the Fourth Proportional to 879,267.34, 1,213,003.69 and 516,527.57

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Solution

The fourth proportional to 879,267.34, 1,213,003.69 and 516,527.57 is: 712,581.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,267.34 : 1,213,003.69 = 516,527.57 : x
  2. Step 2: Convert to fraction form
    879,267.34/1,213,003.69 = 516,527.57/x
  3. Step 3: Cross multiply
    879,267.34x = 1,213,003.69 × 516,527.57
  4. Step 4: Simplify right side
    879,267.34x = 626,549,848,396.73
  5. Step 5: Solve for x
    x = 626,549,848,396.73/879,267.34
  6. Step 6: Final answer
    x = 712,581.74

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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.