Home / 705,966.08-974,240.72-383,676.20

Finding the Fourth Proportional to 705,966.08, 974,240.72 and 383,676.20

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Solution

The fourth proportional to 705,966.08, 974,240.72 and 383,676.20 is: 529,477.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,966.08 : 974,240.72 = 383,676.20 : x
  2. Step 2: Convert to fraction form
    705,966.08/974,240.72 = 383,676.20/x
  3. Step 3: Cross multiply
    705,966.08x = 974,240.72 × 383,676.20
  4. Step 4: Simplify right side
    705,966.08x = 373,792,973,422.85
  5. Step 5: Solve for x
    x = 373,792,973,422.85/705,966.08
  6. Step 6: Final answer
    x = 529,477.24

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.