Home / 1,130,628.42-1,560,513.29-695,419.80

Finding the Fourth Proportional to 1,130,628.42, 1,560,513.29 and 695,419.80

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Solution

The fourth proportional to 1,130,628.42, 1,560,513.29 and 695,419.80 is: 959,830.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,628.42 : 1,560,513.29 = 695,419.80 : x
  2. Step 2: Convert to fraction form
    1,130,628.42/1,560,513.29 = 695,419.80/x
  3. Step 3: Cross multiply
    1,130,628.42x = 1,560,513.29 × 695,419.80
  4. Step 4: Simplify right side
    1,130,628.42x = 1,085,211,836,552.04
  5. Step 5: Solve for x
    x = 1,085,211,836,552.04/1,130,628.42
  6. Step 6: Final answer
    x = 959,830.67

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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.