Home / 935,785.81-1,404,301.65-509,429.26

Finding the Fourth Proportional to 935,785.81, 1,404,301.65 and 509,429.26

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Solution

The fourth proportional to 935,785.81, 1,404,301.65 and 509,429.26 is: 764,483.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,785.81 : 1,404,301.65 = 509,429.26 : x
  2. Step 2: Convert to fraction form
    935,785.81/1,404,301.65 = 509,429.26/x
  3. Step 3: Cross multiply
    935,785.81x = 1,404,301.65 × 509,429.26
  4. Step 4: Simplify right side
    935,785.81x = 715,392,350,376.28
  5. Step 5: Solve for x
    x = 715,392,350,376.28/935,785.81
  6. Step 6: Final answer
    x = 764,483.01

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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.