Home / 1,416,582.77-1,954,827.16-771,989.13

Finding the Fourth Proportional to 1,416,582.77, 1,954,827.16 and 771,989.13

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Solution

The fourth proportional to 1,416,582.77, 1,954,827.16 and 771,989.13 is: 1,065,313.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,582.77 : 1,954,827.16 = 771,989.13 : x
  2. Step 2: Convert to fraction form
    1,416,582.77/1,954,827.16 = 771,989.13/x
  3. Step 3: Cross multiply
    1,416,582.77x = 1,954,827.16 × 771,989.13
  4. Step 4: Simplify right side
    1,416,582.77x = 1,509,105,316,618.80
  5. Step 5: Solve for x
    x = 1,509,105,316,618.80/1,416,582.77
  6. Step 6: Final answer
    x = 1,065,313.90

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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.