Home / 1,012,154.85-1,396,773.63-553,271.36

Finding the Fourth Proportional to 1,012,154.85, 1,396,773.63 and 553,271.36

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Solution

The fourth proportional to 1,012,154.85, 1,396,773.63 and 553,271.36 is: 763,514.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,154.85 : 1,396,773.63 = 553,271.36 : x
  2. Step 2: Convert to fraction form
    1,012,154.85/1,396,773.63 = 553,271.36/x
  3. Step 3: Cross multiply
    1,012,154.85x = 1,396,773.63 × 553,271.36
  4. Step 4: Simplify right side
    1,012,154.85x = 772,794,838,898.37
  5. Step 5: Solve for x
    x = 772,794,838,898.37/1,012,154.85
  6. Step 6: Final answer
    x = 763,514.44

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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.