Home / 1,075,428.40-1,613,089.14-401,457.92

Finding the Fourth Proportional to 1,075,428.40, 1,613,089.14 and 401,457.92

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Solution

The fourth proportional to 1,075,428.40, 1,613,089.14 and 401,457.92 is: 602,166.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,428.40 : 1,613,089.14 = 401,457.92 : x
  2. Step 2: Convert to fraction form
    1,075,428.40/1,613,089.14 = 401,457.92/x
  3. Step 3: Cross multiply
    1,075,428.40x = 1,613,089.14 × 401,457.92
  4. Step 4: Simplify right side
    1,075,428.40x = 647,587,410,918.99
  5. Step 5: Solve for x
    x = 647,587,410,918.99/1,075,428.40
  6. Step 6: Final answer
    x = 602,166.92

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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.