Home / 1,666,553.10-2,299,836.14-931,506.38

Finding the Fourth Proportional to 1,666,553.10, 2,299,836.14 and 931,506.38

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Solution

The fourth proportional to 1,666,553.10, 2,299,836.14 and 931,506.38 is: 1,285,474.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666,553.10 : 2,299,836.14 = 931,506.38 : x
  2. Step 2: Convert to fraction form
    1,666,553.10/2,299,836.14 = 931,506.38/x
  3. Step 3: Cross multiply
    1,666,553.10x = 2,299,836.14 × 931,506.38
  4. Step 4: Simplify right side
    1,666,553.10x = 2,142,312,033,325.40
  5. Step 5: Solve for x
    x = 2,142,312,033,325.40/1,666,553.10
  6. Step 6: Final answer
    x = 1,285,474.82

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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.