Home / 704,681.76-1,057,184.08-305,389.52

Finding the Fourth Proportional to 704,681.76, 1,057,184.08 and 305,389.52

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Solution

The fourth proportional to 704,681.76, 1,057,184.08 and 305,389.52 is: 458,154.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,681.76 : 1,057,184.08 = 305,389.52 : x
  2. Step 2: Convert to fraction form
    704,681.76/1,057,184.08 = 305,389.52/x
  3. Step 3: Cross multiply
    704,681.76x = 1,057,184.08 × 305,389.52
  4. Step 4: Simplify right side
    704,681.76x = 322,852,938,742.84
  5. Step 5: Solve for x
    x = 322,852,938,742.84/704,681.76
  6. Step 6: Final answer
    x = 458,154.24

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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.