Home / 936,749.20-1,405,123.80-922,752.40

Finding the Fourth Proportional to 936,749.20, 1,405,123.80 and 922,752.40

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Solution

The fourth proportional to 936,749.20, 1,405,123.80 and 922,752.40 is: 1,384,128.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,749.20 : 1,405,123.80 = 922,752.40 : x
  2. Step 2: Convert to fraction form
    936,749.20/1,405,123.80 = 922,752.40/x
  3. Step 3: Cross multiply
    936,749.20x = 1,405,123.80 × 922,752.40
  4. Step 4: Simplify right side
    936,749.20x = 1,296,581,358,747.12
  5. Step 5: Solve for x
    x = 1,296,581,358,747.12/936,749.20
  6. Step 6: Final answer
    x = 1,384,128.60

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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.