Home / 1,533,388.38-2,116,090.43-845,085.40

Finding the Fourth Proportional to 1,533,388.38, 2,116,090.43 and 845,085.40

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Solution

The fourth proportional to 1,533,388.38, 2,116,090.43 and 845,085.40 is: 1,166,225.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,388.38 : 2,116,090.43 = 845,085.40 : x
  2. Step 2: Convert to fraction form
    1,533,388.38/2,116,090.43 = 845,085.40/x
  3. Step 3: Cross multiply
    1,533,388.38x = 2,116,090.43 × 845,085.40
  4. Step 4: Simplify right side
    1,533,388.38x = 1,788,277,127,472.72
  5. Step 5: Solve for x
    x = 1,788,277,127,472.72/1,533,388.38
  6. Step 6: Final answer
    x = 1,166,225.82

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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.