Home / 1,217,028.85-1,679,386.77-673,152.93

Finding the Fourth Proportional to 1,217,028.85, 1,679,386.77 and 673,152.93

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Solution

The fourth proportional to 1,217,028.85, 1,679,386.77 and 673,152.93 is: 928,888.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,028.85 : 1,679,386.77 = 673,152.93 : x
  2. Step 2: Convert to fraction form
    1,217,028.85/1,679,386.77 = 673,152.93/x
  3. Step 3: Cross multiply
    1,217,028.85x = 1,679,386.77 × 673,152.93
  4. Step 4: Simplify right side
    1,217,028.85x = 1,130,484,124,828.74
  5. Step 5: Solve for x
    x = 1,130,484,124,828.74/1,217,028.85
  6. Step 6: Final answer
    x = 928,888.52

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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.