Home / 1,133,715.50-1,564,527.40-624,417.88

Finding the Fourth Proportional to 1,133,715.50, 1,564,527.40 and 624,417.88

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Solution

The fourth proportional to 1,133,715.50, 1,564,527.40 and 624,417.88 is: 861,696.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,715.50 : 1,564,527.40 = 624,417.88 : x
  2. Step 2: Convert to fraction form
    1,133,715.50/1,564,527.40 = 624,417.88/x
  3. Step 3: Cross multiply
    1,133,715.50x = 1,564,527.40 × 624,417.88
  4. Step 4: Simplify right side
    1,133,715.50x = 976,918,882,309.91
  5. Step 5: Solve for x
    x = 976,918,882,309.91/1,133,715.50
  6. Step 6: Final answer
    x = 861,696.68

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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.