Home / 1,416,217.56-1,954,355.63-771,643.05

Finding the Fourth Proportional to 1,416,217.56, 1,954,355.63 and 771,643.05

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Solution

The fourth proportional to 1,416,217.56, 1,954,355.63 and 771,643.05 is: 1,064,854.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,217.56 : 1,954,355.63 = 771,643.05 : x
  2. Step 2: Convert to fraction form
    1,416,217.56/1,954,355.63 = 771,643.05/x
  3. Step 3: Cross multiply
    1,416,217.56x = 1,954,355.63 × 771,643.05
  4. Step 4: Simplify right side
    1,416,217.56x = 1,508,064,935,259.66
  5. Step 5: Solve for x
    x = 1,508,064,935,259.66/1,416,217.56
  6. Step 6: Final answer
    x = 1,064,854.00

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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.