Home / 953,071.72-1,315,343.94-545,211.16

Finding the Fourth Proportional to 953,071.72, 1,315,343.94 and 545,211.16

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Solution

The fourth proportional to 953,071.72, 1,315,343.94 and 545,211.16 is: 752,451.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,071.72 : 1,315,343.94 = 545,211.16 : x
  2. Step 2: Convert to fraction form
    953,071.72/1,315,343.94 = 545,211.16/x
  3. Step 3: Cross multiply
    953,071.72x = 1,315,343.94 × 545,211.16
  4. Step 4: Simplify right side
    953,071.72x = 717,140,195,326.37
  5. Step 5: Solve for x
    x = 717,140,195,326.37/953,071.72
  6. Step 6: Final answer
    x = 752,451.45

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Double scale
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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.