Home / 887,066.63-1,224,152.40-479,168.45

Finding the Fourth Proportional to 887,066.63, 1,224,152.40 and 479,168.45

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Solution

The fourth proportional to 887,066.63, 1,224,152.40 and 479,168.45 is: 661,252.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,066.63 : 1,224,152.40 = 479,168.45 : x
  2. Step 2: Convert to fraction form
    887,066.63/1,224,152.40 = 479,168.45/x
  3. Step 3: Cross multiply
    887,066.63x = 1,224,152.40 × 479,168.45
  4. Step 4: Simplify right side
    887,066.63x = 586,575,211,132.16
  5. Step 5: Solve for x
    x = 586,575,211,132.16/887,066.63
  6. Step 6: Final answer
    x = 661,252.71

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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.