Home / 1,057,957.32-1,460,428.02-714,258.78

Finding the Fourth Proportional to 1,057,957.32, 1,460,428.02 and 714,258.78

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Solution

The fourth proportional to 1,057,957.32, 1,460,428.02 and 714,258.78 is: 985,978.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,957.32 : 1,460,428.02 = 714,258.78 : x
  2. Step 2: Convert to fraction form
    1,057,957.32/1,460,428.02 = 714,258.78/x
  3. Step 3: Cross multiply
    1,057,957.32x = 1,460,428.02 × 714,258.78
  4. Step 4: Simplify right side
    1,057,957.32x = 1,043,123,531,339.01
  5. Step 5: Solve for x
    x = 1,043,123,531,339.01/1,057,957.32
  6. Step 6: Final answer
    x = 985,978.84

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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.