Home / 755,565.18-1,133,430.80-376,581.32

Finding the Fourth Proportional to 755,565.18, 1,133,430.80 and 376,581.32

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Solution

The fourth proportional to 755,565.18, 1,133,430.80 and 376,581.32 is: 564,913.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,565.18 : 1,133,430.80 = 376,581.32 : x
  2. Step 2: Convert to fraction form
    755,565.18/1,133,430.80 = 376,581.32/x
  3. Step 3: Cross multiply
    755,565.18x = 1,133,430.80 × 376,581.32
  4. Step 4: Simplify right side
    755,565.18x = 426,828,862,066.96
  5. Step 5: Solve for x
    x = 426,828,862,066.96/755,565.18
  6. Step 6: Final answer
    x = 564,913.36

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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.