Home / 689,088.06-1,032,579.50-289,510.34

Finding the Fourth Proportional to 689,088.06, 1,032,579.50 and 289,510.34

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Solution

The fourth proportional to 689,088.06, 1,032,579.50 and 289,510.34 is: 433,823.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,088.06 : 1,032,579.50 = 289,510.34 : x
  2. Step 2: Convert to fraction form
    689,088.06/1,032,579.50 = 289,510.34/x
  3. Step 3: Cross multiply
    689,088.06x = 1,032,579.50 × 289,510.34
  4. Step 4: Simplify right side
    689,088.06x = 298,942,435,511.58
  5. Step 5: Solve for x
    x = 298,942,435,511.58/689,088.06
  6. Step 6: Final answer
    x = 433,823.27

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Double scale
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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.