Home / 1,416,574.95-1,954,816.43-771,981.23

Finding the Fourth Proportional to 1,416,574.95, 1,954,816.43 and 771,981.23

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Solution

The fourth proportional to 1,416,574.95, 1,954,816.43 and 771,981.23 is: 1,065,303.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,574.95 : 1,954,816.43 = 771,981.23 : x
  2. Step 2: Convert to fraction form
    1,416,574.95/1,954,816.43 = 771,981.23/x
  3. Step 3: Cross multiply
    1,416,574.95x = 1,954,816.43 × 771,981.23
  4. Step 4: Simplify right side
    1,416,574.95x = 1,509,081,578,421.62
  5. Step 5: Solve for x
    x = 1,509,081,578,421.62/1,416,574.95
  6. Step 6: Final answer
    x = 1,065,303.02

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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.