Home / 1,007,305.16-1,390,165.62-554,681.48

Finding the Fourth Proportional to 1,007,305.16, 1,390,165.62 and 554,681.48

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Solution

The fourth proportional to 1,007,305.16, 1,390,165.62 and 554,681.48 is: 765,506.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,305.16 : 1,390,165.62 = 554,681.48 : x
  2. Step 2: Convert to fraction form
    1,007,305.16/1,390,165.62 = 554,681.48/x
  3. Step 3: Cross multiply
    1,007,305.16x = 1,390,165.62 × 554,681.48
  4. Step 4: Simplify right side
    1,007,305.16x = 771,099,123,546.72
  5. Step 5: Solve for x
    x = 771,099,123,546.72/1,007,305.16
  6. Step 6: Final answer
    x = 765,506.97

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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.