Home / 931,505.04-1,285,613.08-523,640.47

Finding the Fourth Proportional to 931,505.04, 1,285,613.08 and 523,640.47

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Solution

The fourth proportional to 931,505.04, 1,285,613.08 and 523,640.47 is: 722,700.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,505.04 : 1,285,613.08 = 523,640.47 : x
  2. Step 2: Convert to fraction form
    931,505.04/1,285,613.08 = 523,640.47/x
  3. Step 3: Cross multiply
    931,505.04x = 1,285,613.08 × 523,640.47
  4. Step 4: Simplify right side
    931,505.04x = 673,199,041,317.93
  5. Step 5: Solve for x
    x = 673,199,041,317.93/931,505.04
  6. Step 6: Final answer
    x = 722,700.38

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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.