Home / 935,406.70-1,403,523.15-455,368.30

Finding the Fourth Proportional to 935,406.70, 1,403,523.15 and 455,368.30

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Solution

The fourth proportional to 935,406.70, 1,403,523.15 and 455,368.30 is: 683,253.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,406.70 : 1,403,523.15 = 455,368.30 : x
  2. Step 2: Convert to fraction form
    935,406.70/1,403,523.15 = 455,368.30/x
  3. Step 3: Cross multiply
    935,406.70x = 1,403,523.15 × 455,368.30
  4. Step 4: Simplify right side
    935,406.70x = 639,119,950,826.15
  5. Step 5: Solve for x
    x = 639,119,950,826.15/935,406.70
  6. Step 6: Final answer
    x = 683,253.55

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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.