Home / 931,806.60-1,397,709.90-825,518.40

Finding the Fourth Proportional to 931,806.60, 1,397,709.90 and 825,518.40

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Solution

The fourth proportional to 931,806.60, 1,397,709.90 and 825,518.40 is: 1,238,277.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,806.60 : 1,397,709.90 = 825,518.40 : x
  2. Step 2: Convert to fraction form
    931,806.60/1,397,709.90 = 825,518.40/x
  3. Step 3: Cross multiply
    931,806.60x = 1,397,709.90 × 825,518.40
  4. Step 4: Simplify right side
    931,806.60x = 1,153,835,240,312.16
  5. Step 5: Solve for x
    x = 1,153,835,240,312.16/931,806.60
  6. Step 6: Final answer
    x = 1,238,277.60

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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.