Home / 1,140,988.07-1,574,557.76-624,732.59

Finding the Fourth Proportional to 1,140,988.07, 1,574,557.76 and 624,732.59

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Solution

The fourth proportional to 1,140,988.07, 1,574,557.76 and 624,732.59 is: 862,127.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,988.07 : 1,574,557.76 = 624,732.59 : x
  2. Step 2: Convert to fraction form
    1,140,988.07/1,574,557.76 = 624,732.59/x
  3. Step 3: Cross multiply
    1,140,988.07x = 1,574,557.76 × 624,732.59
  4. Step 4: Simplify right side
    1,140,988.07x = 983,677,553,007.62
  5. Step 5: Solve for x
    x = 983,677,553,007.62/1,140,988.07
  6. Step 6: Final answer
    x = 862,127.81

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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.