Home / 738,073.84-1,018,545.48-415,789

Finding the Fourth Proportional to 738,073.84, 1,018,545.48 and 415,789

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Solution

The fourth proportional to 738,073.84, 1,018,545.48 and 415,789 is: 573,790.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,073.84 : 1,018,545.48 = 415,789 : x
  2. Step 2: Convert to fraction form
    738,073.84/1,018,545.48 = 415,789/x
  3. Step 3: Cross multiply
    738,073.84x = 1,018,545.48 × 415,789
  4. Step 4: Simplify right side
    738,073.84x = 423,500,006,583.72
  5. Step 5: Solve for x
    x = 423,500,006,583.72/738,073.84
  6. Step 6: Final answer
    x = 573,790.84

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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.