Home / 1,212,058.64-1,818,115.64-359,114.28

Finding the Fourth Proportional to 1,212,058.64, 1,818,115.64 and 359,114.28

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Solution

The fourth proportional to 1,212,058.64, 1,818,115.64 and 359,114.28 is: 538,679.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,058.64 : 1,818,115.64 = 359,114.28 : x
  2. Step 2: Convert to fraction form
    1,212,058.64/1,818,115.64 = 359,114.28/x
  3. Step 3: Cross multiply
    1,212,058.64x = 1,818,115.64 × 359,114.28
  4. Step 4: Simplify right side
    1,212,058.64x = 652,911,281,748.51
  5. Step 5: Solve for x
    x = 652,911,281,748.51/1,212,058.64
  6. Step 6: Final answer
    x = 538,679.62

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1.5x scale

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.