Home / 953,718.09-1,316,129.88-523,997.16

Finding the Fourth Proportional to 953,718.09, 1,316,129.88 and 523,997.16

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Solution

The fourth proportional to 953,718.09, 1,316,129.88 and 523,997.16 is: 723,115.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,718.09 : 1,316,129.88 = 523,997.16 : x
  2. Step 2: Convert to fraction form
    953,718.09/1,316,129.88 = 523,997.16/x
  3. Step 3: Cross multiply
    953,718.09x = 1,316,129.88 × 523,997.16
  4. Step 4: Simplify right side
    953,718.09x = 689,648,319,311.14
  5. Step 5: Solve for x
    x = 689,648,319,311.14/953,718.09
  6. Step 6: Final answer
    x = 723,115.49

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Double scale
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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.