Home / 459,603.66-690,051.36-235,125.12

Finding the Fourth Proportional to 459,603.66, 690,051.36 and 235,125.12

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Solution

The fourth proportional to 459,603.66, 690,051.36 and 235,125.12 is: 353,018.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,603.66 : 690,051.36 = 235,125.12 : x
  2. Step 2: Convert to fraction form
    459,603.66/690,051.36 = 235,125.12/x
  3. Step 3: Cross multiply
    459,603.66x = 690,051.36 × 235,125.12
  4. Step 4: Simplify right side
    459,603.66x = 162,248,408,826.16
  5. Step 5: Solve for x
    x = 162,248,408,826.16/459,603.66
  6. Step 6: Final answer
    x = 353,018.10

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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.