Home / 1,317,788.80-1,818,547.68-714,176.80

Finding the Fourth Proportional to 1,317,788.80, 1,818,547.68 and 714,176.80

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Solution

The fourth proportional to 1,317,788.80, 1,818,547.68 and 714,176.80 is: 985,563.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,788.80 : 1,818,547.68 = 714,176.80 : x
  2. Step 2: Convert to fraction form
    1,317,788.80/1,818,547.68 = 714,176.80/x
  3. Step 3: Cross multiply
    1,317,788.80x = 1,818,547.68 × 714,176.80
  4. Step 4: Simplify right side
    1,317,788.80x = 1,298,764,562,749.82
  5. Step 5: Solve for x
    x = 1,298,764,562,749.82/1,317,788.80
  6. Step 6: Final answer
    x = 985,563.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.