Home / 779,001.35-1,075,017.76-452,394.68

Finding the Fourth Proportional to 779,001.35, 1,075,017.76 and 452,394.68

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Solution

The fourth proportional to 779,001.35, 1,075,017.76 and 452,394.68 is: 624,302.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,001.35 : 1,075,017.76 = 452,394.68 : x
  2. Step 2: Convert to fraction form
    779,001.35/1,075,017.76 = 452,394.68/x
  3. Step 3: Cross multiply
    779,001.35x = 1,075,017.76 × 452,394.68
  4. Step 4: Simplify right side
    779,001.35x = 486,332,309,023.44
  5. Step 5: Solve for x
    x = 486,332,309,023.44/779,001.35
  6. Step 6: Final answer
    x = 624,302.27

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1.5x scale

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.