Home / 451,547.51-623,142.56-247,617.05

Finding the Fourth Proportional to 451,547.51, 623,142.56 and 247,617.05

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Solution

The fourth proportional to 451,547.51, 623,142.56 and 247,617.05 is: 341,715.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,547.51 : 623,142.56 = 247,617.05 : x
  2. Step 2: Convert to fraction form
    451,547.51/623,142.56 = 247,617.05/x
  3. Step 3: Cross multiply
    451,547.51x = 623,142.56 × 247,617.05
  4. Step 4: Simplify right side
    451,547.51x = 154,300,719,939.98
  5. Step 5: Solve for x
    x = 154,300,719,939.98/451,547.51
  6. Step 6: Final answer
    x = 341,715.36

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1.5x scale

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.