Home / 977,807.70-1,466,711.55-942,378.30

Finding the Fourth Proportional to 977,807.70, 1,466,711.55 and 942,378.30

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Solution

The fourth proportional to 977,807.70, 1,466,711.55 and 942,378.30 is: 1,413,567.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,807.70 : 1,466,711.55 = 942,378.30 : x
  2. Step 2: Convert to fraction form
    977,807.70/1,466,711.55 = 942,378.30/x
  3. Step 3: Cross multiply
    977,807.70x = 1,466,711.55 × 942,378.30
  4. Step 4: Simplify right side
    977,807.70x = 1,382,197,137,079.37
  5. Step 5: Solve for x
    x = 1,382,197,137,079.37/977,807.70
  6. Step 6: Final answer
    x = 1,413,567.45

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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.