Home / 1,416,039.90-1,954,129.23-771,458.10

Finding the Fourth Proportional to 1,416,039.90, 1,954,129.23 and 771,458.10

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Solution

The fourth proportional to 1,416,039.90, 1,954,129.23 and 771,458.10 is: 1,064,609.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,039.90 : 1,954,129.23 = 771,458.10 : x
  2. Step 2: Convert to fraction form
    1,416,039.90/1,954,129.23 = 771,458.10/x
  3. Step 3: Cross multiply
    1,416,039.90x = 1,954,129.23 × 771,458.10
  4. Step 4: Simplify right side
    1,416,039.90x = 1,507,528,822,930.26
  5. Step 5: Solve for x
    x = 1,507,528,822,930.26/1,416,039.90
  6. Step 6: Final answer
    x = 1,064,609.00

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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.