Home / 1,095,000.78-1,510,881.61-611,491.53

Finding the Fourth Proportional to 1,095,000.78, 1,510,881.61 and 611,491.53

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Solution

The fourth proportional to 1,095,000.78, 1,510,881.61 and 611,491.53 is: 843,735.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,000.78 : 1,510,881.61 = 611,491.53 : x
  2. Step 2: Convert to fraction form
    1,095,000.78/1,510,881.61 = 611,491.53/x
  3. Step 3: Cross multiply
    1,095,000.78x = 1,510,881.61 × 611,491.53
  4. Step 4: Simplify right side
    1,095,000.78x = 923,891,307,347.76
  5. Step 5: Solve for x
    x = 923,891,307,347.76/1,095,000.78
  6. Step 6: Final answer
    x = 843,735.75

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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.