Home / 945,211.10-1,417,816.65-520,058.30

Finding the Fourth Proportional to 945,211.10, 1,417,816.65 and 520,058.30

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Solution

The fourth proportional to 945,211.10, 1,417,816.65 and 520,058.30 is: 780,087.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,211.10 : 1,417,816.65 = 520,058.30 : x
  2. Step 2: Convert to fraction form
    945,211.10/1,417,816.65 = 520,058.30/x
  3. Step 3: Cross multiply
    945,211.10x = 1,417,816.65 × 520,058.30
  4. Step 4: Simplify right side
    945,211.10x = 737,347,316,710.70
  5. Step 5: Solve for x
    x = 737,347,316,710.70/945,211.10
  6. Step 6: Final answer
    x = 780,087.45

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Similar ratio
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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.