Home / 1,457,204.64-2,010,953.04-812,666.40

Finding the Fourth Proportional to 1,457,204.64, 2,010,953.04 and 812,666.40

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Solution

The fourth proportional to 1,457,204.64, 2,010,953.04 and 812,666.40 is: 1,121,485.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,204.64 : 2,010,953.04 = 812,666.40 : x
  2. Step 2: Convert to fraction form
    1,457,204.64/2,010,953.04 = 812,666.40/x
  3. Step 3: Cross multiply
    1,457,204.64x = 2,010,953.04 × 812,666.40
  4. Step 4: Simplify right side
    1,457,204.64x = 1,634,233,967,585.86
  5. Step 5: Solve for x
    x = 1,634,233,967,585.86/1,457,204.64
  6. Step 6: Final answer
    x = 1,121,485.56

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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.