Home / 1,154,905.29-1,732,338.90-345,291.57

Finding the Fourth Proportional to 1,154,905.29, 1,732,338.90 and 345,291.57

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Solution

The fourth proportional to 1,154,905.29, 1,732,338.90 and 345,291.57 is: 517,931.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,905.29 : 1,732,338.90 = 345,291.57 : x
  2. Step 2: Convert to fraction form
    1,154,905.29/1,732,338.90 = 345,291.57/x
  3. Step 3: Cross multiply
    1,154,905.29x = 1,732,338.90 × 345,291.57
  4. Step 4: Simplify right side
    1,154,905.29x = 598,162,018,553.07
  5. Step 5: Solve for x
    x = 598,162,018,553.07/1,154,905.29
  6. Step 6: Final answer
    x = 517,931.66

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1.5x scale

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.