Home / 935,007.40-1,399,011.90-620,079.40

Finding the Fourth Proportional to 935,007.40, 1,399,011.90 and 620,079.40

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Solution

The fourth proportional to 935,007.40, 1,399,011.90 and 620,079.40 is: 927,798.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,007.40 : 1,399,011.90 = 620,079.40 : x
  2. Step 2: Convert to fraction form
    935,007.40/1,399,011.90 = 620,079.40/x
  3. Step 3: Cross multiply
    935,007.40x = 1,399,011.90 × 620,079.40
  4. Step 4: Simplify right side
    935,007.40x = 867,498,459,544.86
  5. Step 5: Solve for x
    x = 867,498,459,544.86/935,007.40
  6. Step 6: Final answer
    x = 927,798.50

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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.