Home / 705,966.40-974,241.15-383,676.51

Finding the Fourth Proportional to 705,966.40, 974,241.15 and 383,676.51

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Solution

The fourth proportional to 705,966.40, 974,241.15 and 383,676.51 is: 529,477.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,966.40 : 974,241.15 = 383,676.51 : x
  2. Step 2: Convert to fraction form
    705,966.40/974,241.15 = 383,676.51/x
  3. Step 3: Cross multiply
    705,966.40x = 974,241.15 × 383,676.51
  4. Step 4: Simplify right side
    705,966.40x = 373,793,444,330.39
  5. Step 5: Solve for x
    x = 373,793,444,330.39/705,966.40
  6. Step 6: Final answer
    x = 529,477.67

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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.