Home / 915,249.72-1,370,714.88-464,853.66

Finding the Fourth Proportional to 915,249.72, 1,370,714.88 and 464,853.66

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Solution

The fourth proportional to 915,249.72, 1,370,714.88 and 464,853.66 is: 696,183.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,249.72 : 1,370,714.88 = 464,853.66 : x
  2. Step 2: Convert to fraction form
    915,249.72/1,370,714.88 = 464,853.66/x
  3. Step 3: Cross multiply
    915,249.72x = 1,370,714.88 × 464,853.66
  4. Step 4: Simplify right side
    915,249.72x = 637,181,828,784.46
  5. Step 5: Solve for x
    x = 637,181,828,784.46/915,249.72
  6. Step 6: Final answer
    x = 696,183.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.