Home / 459,966.40-689,699.18-160,366.40

Finding the Fourth Proportional to 459,966.40, 689,699.18 and 160,366.40

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Solution

The fourth proportional to 459,966.40, 689,699.18 and 160,366.40 is: 240,462.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,966.40 : 689,699.18 = 160,366.40 : x
  2. Step 2: Convert to fraction form
    459,966.40/689,699.18 = 160,366.40/x
  3. Step 3: Cross multiply
    459,966.40x = 689,699.18 × 160,366.40
  4. Step 4: Simplify right side
    459,966.40x = 110,604,574,579.55
  5. Step 5: Solve for x
    x = 110,604,574,579.55/459,966.40
  6. Step 6: Final answer
    x = 240,462.29

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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.