Home / 931,570.60-1,397,355.90-695,374.60

Finding the Fourth Proportional to 931,570.60, 1,397,355.90 and 695,374.60

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Solution

The fourth proportional to 931,570.60, 1,397,355.90 and 695,374.60 is: 1,043,061.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,570.60 : 1,397,355.90 = 695,374.60 : x
  2. Step 2: Convert to fraction form
    931,570.60/1,397,355.90 = 695,374.60/x
  3. Step 3: Cross multiply
    931,570.60x = 1,397,355.90 × 695,374.60
  4. Step 4: Simplify right side
    931,570.60x = 971,685,800,020.14
  5. Step 5: Solve for x
    x = 971,685,800,020.14/931,570.60
  6. Step 6: Final answer
    x = 1,043,061.90

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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.