Home / 828,349.74-1,142,669.23-534,091.32

Finding the Fourth Proportional to 828,349.74, 1,142,669.23 and 534,091.32

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Solution

The fourth proportional to 828,349.74, 1,142,669.23 and 534,091.32 is: 736,753.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,349.74 : 1,142,669.23 = 534,091.32 : x
  2. Step 2: Convert to fraction form
    828,349.74/1,142,669.23 = 534,091.32/x
  3. Step 3: Cross multiply
    828,349.74x = 1,142,669.23 × 534,091.32
  4. Step 4: Simplify right side
    828,349.74x = 610,289,716,038.86
  5. Step 5: Solve for x
    x = 610,289,716,038.86/828,349.74
  6. Step 6: Final answer
    x = 736,753.68

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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.