Home / 1,407,436.56-2,111,548.50-553,981.68

Finding the Fourth Proportional to 1,407,436.56, 2,111,548.50 and 553,981.68

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Solution

The fourth proportional to 1,407,436.56, 2,111,548.50 and 553,981.68 is: 831,127.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,436.56 : 2,111,548.50 = 553,981.68 : x
  2. Step 2: Convert to fraction form
    1,407,436.56/2,111,548.50 = 553,981.68/x
  3. Step 3: Cross multiply
    1,407,436.56x = 2,111,548.50 × 553,981.68
  4. Step 4: Simplify right side
    1,407,436.56x = 1,169,759,185,431.48
  5. Step 5: Solve for x
    x = 1,169,759,185,431.48/1,407,436.56
  6. Step 6: Final answer
    x = 831,127.47

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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.