Home / 1,013,909.06-1,399,195.74-631,935.50

Finding the Fourth Proportional to 1,013,909.06, 1,399,195.74 and 631,935.50

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Solution

The fourth proportional to 1,013,909.06, 1,399,195.74 and 631,935.50 is: 872,071.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,909.06 : 1,399,195.74 = 631,935.50 : x
  2. Step 2: Convert to fraction form
    1,013,909.06/1,399,195.74 = 631,935.50/x
  3. Step 3: Cross multiply
    1,013,909.06x = 1,399,195.74 × 631,935.50
  4. Step 4: Simplify right side
    1,013,909.06x = 884,201,459,554.77
  5. Step 5: Solve for x
    x = 884,201,459,554.77/1,013,909.06
  6. Step 6: Final answer
    x = 872,071.76

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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.