Home / 1,736,128.16-2,605,875.60-838,203.20

Finding the Fourth Proportional to 1,736,128.16, 2,605,875.60 and 838,203.20

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Solution

The fourth proportional to 1,736,128.16, 2,605,875.60 and 838,203.20 is: 1,258,117.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,736,128.16 : 2,605,875.60 = 838,203.20 : x
  2. Step 2: Convert to fraction form
    1,736,128.16/2,605,875.60 = 838,203.20/x
  3. Step 3: Cross multiply
    1,736,128.16x = 2,605,875.60 × 838,203.20
  4. Step 4: Simplify right side
    1,736,128.16x = 2,184,253,266,721.92
  5. Step 5: Solve for x
    x = 2,184,253,266,721.92/1,736,128.16
  6. Step 6: Final answer
    x = 1,258,117.53

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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.