Home / 710,228.70-1,065,999.15-355,497.30

Finding the Fourth Proportional to 710,228.70, 1,065,999.15 and 355,497.30

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Solution

The fourth proportional to 710,228.70, 1,065,999.15 and 355,497.30 is: 533,574.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,228.70 : 1,065,999.15 = 355,497.30 : x
  2. Step 2: Convert to fraction form
    710,228.70/1,065,999.15 = 355,497.30/x
  3. Step 3: Cross multiply
    710,228.70x = 1,065,999.15 × 355,497.30
  4. Step 4: Simplify right side
    710,228.70x = 378,959,819,627.30
  5. Step 5: Solve for x
    x = 378,959,819,627.30/710,228.70
  6. Step 6: Final answer
    x = 533,574.35

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Double scale
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Similar ratio
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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.