Home / 977,732.64-1,349,266.80-548,012.88

Finding the Fourth Proportional to 977,732.64, 1,349,266.80 and 548,012.88

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Solution

The fourth proportional to 977,732.64, 1,349,266.80 and 548,012.88 is: 756,255.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,732.64 : 1,349,266.80 = 548,012.88 : x
  2. Step 2: Convert to fraction form
    977,732.64/1,349,266.80 = 548,012.88/x
  3. Step 3: Cross multiply
    977,732.64x = 1,349,266.80 × 548,012.88
  4. Step 4: Simplify right side
    977,732.64x = 739,415,584,956.38
  5. Step 5: Solve for x
    x = 739,415,584,956.38/977,732.64
  6. Step 6: Final answer
    x = 756,255.40

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1.5x scale

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.