Home / 945,451.17-1,418,189.10-314,364.98

Finding the Fourth Proportional to 945,451.17, 1,418,189.10 and 314,364.98

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Solution

The fourth proportional to 945,451.17, 1,418,189.10 and 314,364.98 is: 471,551.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,451.17 : 1,418,189.10 = 314,364.98 : x
  2. Step 2: Convert to fraction form
    945,451.17/1,418,189.10 = 314,364.98/x
  3. Step 3: Cross multiply
    945,451.17x = 1,418,189.10 × 314,364.98
  4. Step 4: Simplify right side
    945,451.17x = 445,828,988,057.72
  5. Step 5: Solve for x
    x = 445,828,988,057.72/945,451.17
  6. Step 6: Final answer
    x = 471,551.57

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Double scale
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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.