Home / 935,053.40-1,399,080.90-620,125.40

Finding the Fourth Proportional to 935,053.40, 1,399,080.90 and 620,125.40

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Solution

The fourth proportional to 935,053.40, 1,399,080.90 and 620,125.40 is: 927,867.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,053.40 : 1,399,080.90 = 620,125.40 : x
  2. Step 2: Convert to fraction form
    935,053.40/1,399,080.90 = 620,125.40/x
  3. Step 3: Cross multiply
    935,053.40x = 1,399,080.90 × 620,125.40
  4. Step 4: Simplify right side
    935,053.40x = 867,605,602,744.86
  5. Step 5: Solve for x
    x = 867,605,602,744.86/935,053.40
  6. Step 6: Final answer
    x = 927,867.44

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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.