Home / 1,013,668.05-1,399,018.95-578,086.32

Finding the Fourth Proportional to 1,013,668.05, 1,399,018.95 and 578,086.32

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Solution

The fourth proportional to 1,013,668.05, 1,399,018.95 and 578,086.32 is: 797,848.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,668.05 : 1,399,018.95 = 578,086.32 : x
  2. Step 2: Convert to fraction form
    1,013,668.05/1,399,018.95 = 578,086.32/x
  3. Step 3: Cross multiply
    1,013,668.05x = 1,399,018.95 × 578,086.32
  4. Step 4: Simplify right side
    1,013,668.05x = 808,753,716,415.76
  5. Step 5: Solve for x
    x = 808,753,716,415.76/1,013,668.05
  6. Step 6: Final answer
    x = 797,848.68

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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.