Home / 935,289.70-1,403,347.65-455,251.30

Finding the Fourth Proportional to 935,289.70, 1,403,347.65 and 455,251.30

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Solution

The fourth proportional to 935,289.70, 1,403,347.65 and 455,251.30 is: 683,078.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,289.70 : 1,403,347.65 = 455,251.30 : x
  2. Step 2: Convert to fraction form
    935,289.70/1,403,347.65 = 455,251.30/x
  3. Step 3: Cross multiply
    935,289.70x = 1,403,347.65 × 455,251.30
  4. Step 4: Simplify right side
    935,289.70x = 638,875,842,014.45
  5. Step 5: Solve for x
    x = 638,875,842,014.45/935,289.70
  6. Step 6: Final answer
    x = 683,078.03

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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.