Home / 560,033.58-772,844.88-305,384.76

Finding the Fourth Proportional to 560,033.58, 772,844.88 and 305,384.76

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Solution

The fourth proportional to 560,033.58, 772,844.88 and 305,384.76 is: 421,430.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,033.58 : 772,844.88 = 305,384.76 : x
  2. Step 2: Convert to fraction form
    560,033.58/772,844.88 = 305,384.76/x
  3. Step 3: Cross multiply
    560,033.58x = 772,844.88 × 305,384.76
  4. Step 4: Simplify right side
    560,033.58x = 236,015,048,196.03
  5. Step 5: Solve for x
    x = 236,015,048,196.03/560,033.58
  6. Step 6: Final answer
    x = 421,430.17

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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.