Home / 714,656.40-1,071,000.45-474,086.40

Finding the Fourth Proportional to 714,656.40, 1,071,000.45 and 474,086.40

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Solution

The fourth proportional to 714,656.40, 1,071,000.45 and 474,086.40 is: 710,476.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,656.40 : 1,071,000.45 = 474,086.40 : x
  2. Step 2: Convert to fraction form
    714,656.40/1,071,000.45 = 474,086.40/x
  3. Step 3: Cross multiply
    714,656.40x = 1,071,000.45 × 474,086.40
  4. Step 4: Simplify right side
    714,656.40x = 507,746,747,738.88
  5. Step 5: Solve for x
    x = 507,746,747,738.88/714,656.40
  6. Step 6: Final answer
    x = 710,476.74

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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.