Home / 423,931.60-585,058.16-242,700.37

Finding the Fourth Proportional to 423,931.60, 585,058.16 and 242,700.37

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Solution

The fourth proportional to 423,931.60, 585,058.16 and 242,700.37 is: 334,945.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,931.60 : 585,058.16 = 242,700.37 : x
  2. Step 2: Convert to fraction form
    423,931.60/585,058.16 = 242,700.37/x
  3. Step 3: Cross multiply
    423,931.60x = 585,058.16 × 242,700.37
  4. Step 4: Simplify right side
    423,931.60x = 141,993,831,903.52
  5. Step 5: Solve for x
    x = 141,993,831,903.52/423,931.60
  6. Step 6: Final answer
    x = 334,945.15

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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.