Home / 705,821.10-974,034.36-383,535.06

Finding the Fourth Proportional to 705,821.10, 974,034.36 and 383,535.06

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Solution

The fourth proportional to 705,821.10, 974,034.36 and 383,535.06 is: 529,279.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,821.10 : 974,034.36 = 383,535.06 : x
  2. Step 2: Convert to fraction form
    705,821.10/974,034.36 = 383,535.06/x
  3. Step 3: Cross multiply
    705,821.10x = 974,034.36 × 383,535.06
  4. Step 4: Simplify right side
    705,821.10x = 373,576,326,704.66
  5. Step 5: Solve for x
    x = 373,576,326,704.66/705,821.10
  6. Step 6: Final answer
    x = 529,279.06

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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.