Home / 829,111.40-1,237,200.63-739,750.60

Finding the Fourth Proportional to 829,111.40, 1,237,200.63 and 739,750.60

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Solution

The fourth proportional to 829,111.40, 1,237,200.63 and 739,750.60 is: 1,103,856.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,111.40 : 1,237,200.63 = 739,750.60 : x
  2. Step 2: Convert to fraction form
    829,111.40/1,237,200.63 = 739,750.60/x
  3. Step 3: Cross multiply
    829,111.40x = 1,237,200.63 × 739,750.60
  4. Step 4: Simplify right side
    829,111.40x = 915,219,908,362.88
  5. Step 5: Solve for x
    x = 915,219,908,362.88/829,111.40
  6. Step 6: Final answer
    x = 1,103,856.38

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.