Home / 697,232.37-1,045,848.56-487,280.37

Finding the Fourth Proportional to 697,232.37, 1,045,848.56 and 487,280.37

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Solution

The fourth proportional to 697,232.37, 1,045,848.56 and 487,280.37 is: 730,920.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,232.37 : 1,045,848.56 = 487,280.37 : x
  2. Step 2: Convert to fraction form
    697,232.37/1,045,848.56 = 487,280.37/x
  3. Step 3: Cross multiply
    697,232.37x = 1,045,848.56 × 487,280.37
  4. Step 4: Simplify right side
    697,232.37x = 509,621,470,844.37
  5. Step 5: Solve for x
    x = 509,621,470,844.37/697,232.37
  6. Step 6: Final answer
    x = 730,920.56

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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.