Home / 560,019.20-839,953.20-223,307.60

Finding the Fourth Proportional to 560,019.20, 839,953.20 and 223,307.60

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Solution

The fourth proportional to 560,019.20, 839,953.20 and 223,307.60 is: 334,931.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,019.20 : 839,953.20 = 223,307.60 : x
  2. Step 2: Convert to fraction form
    560,019.20/839,953.20 = 223,307.60/x
  3. Step 3: Cross multiply
    560,019.20x = 839,953.20 × 223,307.60
  4. Step 4: Simplify right side
    560,019.20x = 187,567,933,204.32
  5. Step 5: Solve for x
    x = 187,567,933,204.32/560,019.20
  6. Step 6: Final answer
    x = 334,931.25

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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.