Home / 1,111,437.95-1,533,144.78-669,605.63

Finding the Fourth Proportional to 1,111,437.95, 1,533,144.78 and 669,605.63

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Solution

The fourth proportional to 1,111,437.95, 1,533,144.78 and 669,605.63 is: 923,670.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,437.95 : 1,533,144.78 = 669,605.63 : x
  2. Step 2: Convert to fraction form
    1,111,437.95/1,533,144.78 = 669,605.63/x
  3. Step 3: Cross multiply
    1,111,437.95x = 1,533,144.78 × 669,605.63
  4. Step 4: Simplify right side
    1,111,437.95x = 1,026,602,368,627.39
  5. Step 5: Solve for x
    x = 1,026,602,368,627.39/1,111,437.95
  6. Step 6: Final answer
    x = 923,670.43

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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.