Home / 1,894,410.40-2,840,578.80-771,210.40

Finding the Fourth Proportional to 1,894,410.40, 2,840,578.80 and 771,210.40

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Solution

The fourth proportional to 1,894,410.40, 2,840,578.80 and 771,210.40 is: 1,156,393.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,894,410.40 : 2,840,578.80 = 771,210.40 : x
  2. Step 2: Convert to fraction form
    1,894,410.40/2,840,578.80 = 771,210.40/x
  3. Step 3: Cross multiply
    1,894,410.40x = 2,840,578.80 × 771,210.40
  4. Step 4: Simplify right side
    1,894,410.40x = 2,190,683,912,579.52
  5. Step 5: Solve for x
    x = 2,190,683,912,579.52/1,894,410.40
  6. Step 6: Final answer
    x = 1,156,393.52

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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.