Home / 1,314,051.64-1,971,142.04-640,708.52

Finding the Fourth Proportional to 1,314,051.64, 1,971,142.04 and 640,708.52

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Solution

The fourth proportional to 1,314,051.64, 1,971,142.04 and 640,708.52 is: 961,094.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,051.64 : 1,971,142.04 = 640,708.52 : x
  2. Step 2: Convert to fraction form
    1,314,051.64/1,971,142.04 = 640,708.52/x
  3. Step 3: Cross multiply
    1,314,051.64x = 1,971,142.04 × 640,708.52
  4. Step 4: Simplify right side
    1,314,051.64x = 1,262,927,490,904.24
  5. Step 5: Solve for x
    x = 1,262,927,490,904.24/1,314,051.64
  6. Step 6: Final answer
    x = 961,094.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.