Home / 1,416,545.74-1,954,783.47-771,952.78

Finding the Fourth Proportional to 1,416,545.74, 1,954,783.47 and 771,952.78

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Solution

The fourth proportional to 1,416,545.74, 1,954,783.47 and 771,952.78 is: 1,065,267.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,545.74 : 1,954,783.47 = 771,952.78 : x
  2. Step 2: Convert to fraction form
    1,416,545.74/1,954,783.47 = 771,952.78/x
  3. Step 3: Cross multiply
    1,416,545.74x = 1,954,783.47 × 771,952.78
  4. Step 4: Simplify right side
    1,416,545.74x = 1,509,000,533,964.55
  5. Step 5: Solve for x
    x = 1,509,000,533,964.55/1,416,545.74
  6. Step 6: Final answer
    x = 1,065,267.78

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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.