Home / 977,799.16-1,349,425.20-548,079.40

Finding the Fourth Proportional to 977,799.16, 1,349,425.20 and 548,079.40

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Solution

The fourth proportional to 977,799.16, 1,349,425.20 and 548,079.40 is: 756,384.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,799.16 : 1,349,425.20 = 548,079.40 : x
  2. Step 2: Convert to fraction form
    977,799.16/1,349,425.20 = 548,079.40/x
  3. Step 3: Cross multiply
    977,799.16x = 1,349,425.20 × 548,079.40
  4. Step 4: Simplify right side
    977,799.16x = 739,592,153,960.88
  5. Step 5: Solve for x
    x = 739,592,153,960.88/977,799.16
  6. Step 6: Final answer
    x = 756,384.53

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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.