Home / 761,336.35-1,050,574.30-438,984.18

Finding the Fourth Proportional to 761,336.35, 1,050,574.30 and 438,984.18

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Solution

The fourth proportional to 761,336.35, 1,050,574.30 and 438,984.18 is: 605,757.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,336.35 : 1,050,574.30 = 438,984.18 : x
  2. Step 2: Convert to fraction form
    761,336.35/1,050,574.30 = 438,984.18/x
  3. Step 3: Cross multiply
    761,336.35x = 1,050,574.30 × 438,984.18
  4. Step 4: Simplify right side
    761,336.35x = 461,185,496,517.11
  5. Step 5: Solve for x
    x = 461,185,496,517.11/761,336.35
  6. Step 6: Final answer
    x = 605,757.89

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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.