Home / 384,055.16-529,848.30-240,565.40

Finding the Fourth Proportional to 384,055.16, 529,848.30 and 240,565.40

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Solution

The fourth proportional to 384,055.16, 529,848.30 and 240,565.40 is: 331,887.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,055.16 : 529,848.30 = 240,565.40 : x
  2. Step 2: Convert to fraction form
    384,055.16/529,848.30 = 240,565.40/x
  3. Step 3: Cross multiply
    384,055.16x = 529,848.30 × 240,565.40
  4. Step 4: Simplify right side
    384,055.16x = 127,463,168,228.82
  5. Step 5: Solve for x
    x = 127,463,168,228.82/384,055.16
  6. Step 6: Final answer
    x = 331,887.66

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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.