Home / 916,183.73-1,264,341.18-508,312.32

Finding the Fourth Proportional to 916,183.73, 1,264,341.18 and 508,312.32

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Solution

The fourth proportional to 916,183.73, 1,264,341.18 and 508,312.32 is: 701,475.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,183.73 : 1,264,341.18 = 508,312.32 : x
  2. Step 2: Convert to fraction form
    916,183.73/1,264,341.18 = 508,312.32/x
  3. Step 3: Cross multiply
    916,183.73x = 1,264,341.18 × 508,312.32
  4. Step 4: Simplify right side
    916,183.73x = 642,680,198,477.34
  5. Step 5: Solve for x
    x = 642,680,198,477.34/916,183.73
  6. Step 6: Final answer
    x = 701,475.24

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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.