Home / 454,118.36-627,320.73-430,203.51

Finding the Fourth Proportional to 454,118.36, 627,320.73 and 430,203.51

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Solution

The fourth proportional to 454,118.36, 627,320.73 and 430,203.51 is: 594,284.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,118.36 : 627,320.73 = 430,203.51 : x
  2. Step 2: Convert to fraction form
    454,118.36/627,320.73 = 430,203.51/x
  3. Step 3: Cross multiply
    454,118.36x = 627,320.73 × 430,203.51
  4. Step 4: Simplify right side
    454,118.36x = 269,875,579,941.76
  5. Step 5: Solve for x
    x = 269,875,579,941.76/454,118.36
  6. Step 6: Final answer
    x = 594,284.68

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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.