Home / 648,966.96-973,699.68-457,025.58

Finding the Fourth Proportional to 648,966.96, 973,699.68 and 457,025.58

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Solution

The fourth proportional to 648,966.96, 973,699.68 and 457,025.58 is: 685,713.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,966.96 : 973,699.68 = 457,025.58 : x
  2. Step 2: Convert to fraction form
    648,966.96/973,699.68 = 457,025.58/x
  3. Step 3: Cross multiply
    648,966.96x = 973,699.68 × 457,025.58
  4. Step 4: Simplify right side
    648,966.96x = 445,005,660,997.81
  5. Step 5: Solve for x
    x = 445,005,660,997.81/648,966.96
  6. Step 6: Final answer
    x = 685,713.89

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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.