Home / 828,477.29-1,143,305.51-465,897.98

Finding the Fourth Proportional to 828,477.29, 1,143,305.51 and 465,897.98

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Solution

The fourth proportional to 828,477.29, 1,143,305.51 and 465,897.98 is: 642,943.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,477.29 : 1,143,305.51 = 465,897.98 : x
  2. Step 2: Convert to fraction form
    828,477.29/1,143,305.51 = 465,897.98/x
  3. Step 3: Cross multiply
    828,477.29x = 1,143,305.51 × 465,897.98
  4. Step 4: Simplify right side
    828,477.29x = 532,663,723,039.89
  5. Step 5: Solve for x
    x = 532,663,723,039.89/828,477.29
  6. Step 6: Final answer
    x = 642,943.06

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Double scale
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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.