Home / 977,436.62-1,465,252.86-678,058.46

Finding the Fourth Proportional to 977,436.62, 1,465,252.86 and 678,058.46

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Solution

The fourth proportional to 977,436.62, 1,465,252.86 and 678,058.46 is: 1,016,461.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,436.62 : 1,465,252.86 = 678,058.46 : x
  2. Step 2: Convert to fraction form
    977,436.62/1,465,252.86 = 678,058.46/x
  3. Step 3: Cross multiply
    977,436.62x = 1,465,252.86 × 678,058.46
  4. Step 4: Simplify right side
    977,436.62x = 993,527,097,762.20
  5. Step 5: Solve for x
    x = 993,527,097,762.20/977,436.62
  6. Step 6: Final answer
    x = 1,016,461.91

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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.