Home / 716,583.82-988,884.54-430,105.18

Finding the Fourth Proportional to 716,583.82, 988,884.54 and 430,105.18

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Solution

The fourth proportional to 716,583.82, 988,884.54 and 430,105.18 is: 593,544.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,583.82 : 988,884.54 = 430,105.18 : x
  2. Step 2: Convert to fraction form
    716,583.82/988,884.54 = 430,105.18/x
  3. Step 3: Cross multiply
    716,583.82x = 988,884.54 × 430,105.18
  4. Step 4: Simplify right side
    716,583.82x = 425,324,363,075.92
  5. Step 5: Solve for x
    x = 425,324,363,075.92/716,583.82
  6. Step 6: Final answer
    x = 593,544.47

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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.