Home / 1,772,123.54-2,658,056.78-692,433.14

Finding the Fourth Proportional to 1,772,123.54, 2,658,056.78 and 692,433.14

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Solution

The fourth proportional to 1,772,123.54, 2,658,056.78 and 692,433.14 is: 1,038,599.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772,123.54 : 2,658,056.78 = 692,433.14 : x
  2. Step 2: Convert to fraction form
    1,772,123.54/2,658,056.78 = 692,433.14/x
  3. Step 3: Cross multiply
    1,772,123.54x = 2,658,056.78 × 692,433.14
  4. Step 4: Simplify right side
    1,772,123.54x = 1,840,526,602,473.69
  5. Step 5: Solve for x
    x = 1,840,526,602,473.69/1,772,123.54
  6. Step 6: Final answer
    x = 1,038,599.49

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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.