Home / 1,112,101.60-1,534,702.80-602,801.68

Finding the Fourth Proportional to 1,112,101.60, 1,534,702.80 and 602,801.68

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Solution

The fourth proportional to 1,112,101.60, 1,534,702.80 and 602,801.68 is: 831,867.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,101.60 : 1,534,702.80 = 602,801.68 : x
  2. Step 2: Convert to fraction form
    1,112,101.60/1,534,702.80 = 602,801.68/x
  3. Step 3: Cross multiply
    1,112,101.60x = 1,534,702.80 × 602,801.68
  4. Step 4: Simplify right side
    1,112,101.60x = 925,121,426,140.70
  5. Step 5: Solve for x
    x = 925,121,426,140.70/1,112,101.60
  6. Step 6: Final answer
    x = 831,867.72

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Double scale
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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.