Home / 890,093.23-1,330,253.19-650,711.09

Finding the Fourth Proportional to 890,093.23, 1,330,253.19 and 650,711.09

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Solution

The fourth proportional to 890,093.23, 1,330,253.19 and 650,711.09 is: 972,494.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,093.23 : 1,330,253.19 = 650,711.09 : x
  2. Step 2: Convert to fraction form
    890,093.23/1,330,253.19 = 650,711.09/x
  3. Step 3: Cross multiply
    890,093.23x = 1,330,253.19 × 650,711.09
  4. Step 4: Simplify right side
    890,093.23x = 865,610,506,566.51
  5. Step 5: Solve for x
    x = 865,610,506,566.51/890,093.23
  6. Step 6: Final answer
    x = 972,494.21

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.