Home / 1,700,678.64-2,346,847.92-1,056,085.20

Finding the Fourth Proportional to 1,700,678.64, 2,346,847.92 and 1,056,085.20

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Solution

The fourth proportional to 1,700,678.64, 2,346,847.92 and 1,056,085.20 is: 1,457,342.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,700,678.64 : 2,346,847.92 = 1,056,085.20 : x
  2. Step 2: Convert to fraction form
    1,700,678.64/2,346,847.92 = 1,056,085.20/x
  3. Step 3: Cross multiply
    1,700,678.64x = 2,346,847.92 × 1,056,085.20
  4. Step 4: Simplify right side
    1,700,678.64x = 2,478,471,354,962.78
  5. Step 5: Solve for x
    x = 2,478,471,354,962.78/1,700,678.64
  6. Step 6: Final answer
    x = 1,457,342.56

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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.