Home / 1,147,133.81-1,583,011.19-630,887.18

Finding the Fourth Proportional to 1,147,133.81, 1,583,011.19 and 630,887.18

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Solution

The fourth proportional to 1,147,133.81, 1,583,011.19 and 630,887.18 is: 870,605.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,133.81 : 1,583,011.19 = 630,887.18 : x
  2. Step 2: Convert to fraction form
    1,147,133.81/1,583,011.19 = 630,887.18/x
  3. Step 3: Cross multiply
    1,147,133.81x = 1,583,011.19 × 630,887.18
  4. Step 4: Simplify right side
    1,147,133.81x = 998,701,459,229.71
  5. Step 5: Solve for x
    x = 998,701,459,229.71/1,147,133.81
  6. Step 6: Final answer
    x = 870,605.89

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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.