Home / 1,112,085.37-1,666,223.52-607,000.78

Finding the Fourth Proportional to 1,112,085.37, 1,666,223.52 and 607,000.78

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Solution

The fourth proportional to 1,112,085.37, 1,666,223.52 and 607,000.78 is: 909,461.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,085.37 : 1,666,223.52 = 607,000.78 : x
  2. Step 2: Convert to fraction form
    1,112,085.37/1,666,223.52 = 607,000.78/x
  3. Step 3: Cross multiply
    1,112,085.37x = 1,666,223.52 × 607,000.78
  4. Step 4: Simplify right side
    1,112,085.37x = 1,011,398,976,294.35
  5. Step 5: Solve for x
    x = 1,011,398,976,294.35/1,112,085.37
  6. Step 6: Final answer
    x = 909,461.63

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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.