Home / 879,753.76-1,214,066.66-477,345.76

Finding the Fourth Proportional to 879,753.76, 1,214,066.66 and 477,345.76

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Solution

The fourth proportional to 879,753.76, 1,214,066.66 and 477,345.76 is: 658,740.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,753.76 : 1,214,066.66 = 477,345.76 : x
  2. Step 2: Convert to fraction form
    879,753.76/1,214,066.66 = 477,345.76/x
  3. Step 3: Cross multiply
    879,753.76x = 1,214,066.66 × 477,345.76
  4. Step 4: Simplify right side
    879,753.76x = 579,529,572,508.36
  5. Step 5: Solve for x
    x = 579,529,572,508.36/879,753.76
  6. Step 6: Final answer
    x = 658,740.66

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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.