Home / 1,125,864.66-1,688,606.96-316,063.36

Finding the Fourth Proportional to 1,125,864.66, 1,688,606.96 and 316,063.36

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Solution

The fourth proportional to 1,125,864.66, 1,688,606.96 and 316,063.36 is: 474,041.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,864.66 : 1,688,606.96 = 316,063.36 : x
  2. Step 2: Convert to fraction form
    1,125,864.66/1,688,606.96 = 316,063.36/x
  3. Step 3: Cross multiply
    1,125,864.66x = 1,688,606.96 × 316,063.36
  4. Step 4: Simplify right side
    1,125,864.66x = 533,706,789,496.99
  5. Step 5: Solve for x
    x = 533,706,789,496.99/1,125,864.66
  6. Step 6: Final answer
    x = 474,041.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.