Home / 1,406,103.53-2,109,264.65-459,569.93

Finding the Fourth Proportional to 1,406,103.53, 2,109,264.65 and 459,569.93

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Solution

The fourth proportional to 1,406,103.53, 2,109,264.65 and 459,569.93 is: 689,390.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,103.53 : 2,109,264.65 = 459,569.93 : x
  2. Step 2: Convert to fraction form
    1,406,103.53/2,109,264.65 = 459,569.93/x
  3. Step 3: Cross multiply
    1,406,103.53x = 2,109,264.65 × 459,569.93
  4. Step 4: Simplify right side
    1,406,103.53x = 969,354,594,707.80
  5. Step 5: Solve for x
    x = 969,354,594,707.80/1,406,103.53
  6. Step 6: Final answer
    x = 689,390.63

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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.