Home / 1,070,539.80-1,605,726.24-396,303.90

Finding the Fourth Proportional to 1,070,539.80, 1,605,726.24 and 396,303.90

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Solution

The fourth proportional to 1,070,539.80, 1,605,726.24 and 396,303.90 is: 594,424.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,539.80 : 1,605,726.24 = 396,303.90 : x
  2. Step 2: Convert to fraction form
    1,070,539.80/1,605,726.24 = 396,303.90/x
  3. Step 3: Cross multiply
    1,070,539.80x = 1,605,726.24 × 396,303.90
  4. Step 4: Simplify right side
    1,070,539.80x = 636,355,571,244.34
  5. Step 5: Solve for x
    x = 636,355,571,244.34/1,070,539.80
  6. Step 6: Final answer
    x = 594,424.95

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1.5x scale

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.