Home / 1,292,144.64-1,938,614.04-661,501.32

Finding the Fourth Proportional to 1,292,144.64, 1,938,614.04 and 661,501.32

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Solution

The fourth proportional to 1,292,144.64, 1,938,614.04 and 661,501.32 is: 992,455.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,144.64 : 1,938,614.04 = 661,501.32 : x
  2. Step 2: Convert to fraction form
    1,292,144.64/1,938,614.04 = 661,501.32/x
  3. Step 3: Cross multiply
    1,292,144.64x = 1,938,614.04 × 661,501.32
  4. Step 4: Simplify right side
    1,292,144.64x = 1,282,395,746,430.53
  5. Step 5: Solve for x
    x = 1,282,395,746,430.53/1,292,144.64
  6. Step 6: Final answer
    x = 992,455.26

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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.