Home / 1,005,807.59-1,387,674.77-570,178.22

Finding the Fourth Proportional to 1,005,807.59, 1,387,674.77 and 570,178.22

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Solution

The fourth proportional to 1,005,807.59, 1,387,674.77 and 570,178.22 is: 786,653.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,807.59 : 1,387,674.77 = 570,178.22 : x
  2. Step 2: Convert to fraction form
    1,005,807.59/1,387,674.77 = 570,178.22/x
  3. Step 3: Cross multiply
    1,005,807.59x = 1,387,674.77 × 570,178.22
  4. Step 4: Simplify right side
    1,005,807.59x = 791,221,927,446.62
  5. Step 5: Solve for x
    x = 791,221,927,446.62/1,005,807.59
  6. Step 6: Final answer
    x = 786,653.37

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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.