Home / 935,312.70-1,403,382.15-455,274.30

Finding the Fourth Proportional to 935,312.70, 1,403,382.15 and 455,274.30

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Solution

The fourth proportional to 935,312.70, 1,403,382.15 and 455,274.30 is: 683,112.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,312.70 : 1,403,382.15 = 455,274.30 : x
  2. Step 2: Convert to fraction form
    935,312.70/1,403,382.15 = 455,274.30/x
  3. Step 3: Cross multiply
    935,312.70x = 1,403,382.15 × 455,274.30
  4. Step 4: Simplify right side
    935,312.70x = 638,923,825,973.75
  5. Step 5: Solve for x
    x = 638,923,825,973.75/935,312.70
  6. Step 6: Final answer
    x = 683,112.53

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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.