Home / 774,089.04-1,068,183.90-434,491.68

Finding the Fourth Proportional to 774,089.04, 1,068,183.90 and 434,491.68

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Solution

The fourth proportional to 774,089.04, 1,068,183.90 and 434,491.68 is: 599,565.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,089.04 : 1,068,183.90 = 434,491.68 : x
  2. Step 2: Convert to fraction form
    774,089.04/1,068,183.90 = 434,491.68/x
  3. Step 3: Cross multiply
    774,089.04x = 1,068,183.90 × 434,491.68
  4. Step 4: Simplify right side
    774,089.04x = 464,117,017,259.95
  5. Step 5: Solve for x
    x = 464,117,017,259.95/774,089.04
  6. Step 6: Final answer
    x = 599,565.42

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Double scale
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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.