Home / 1,208,761.60-1,813,725.60-853,009.60

Finding the Fourth Proportional to 1,208,761.60, 1,813,725.60 and 853,009.60

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Solution

The fourth proportional to 1,208,761.60, 1,813,725.60 and 853,009.60 is: 1,279,925.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,761.60 : 1,813,725.60 = 853,009.60 : x
  2. Step 2: Convert to fraction form
    1,208,761.60/1,813,725.60 = 853,009.60/x
  3. Step 3: Cross multiply
    1,208,761.60x = 1,813,725.60 × 853,009.60
  4. Step 4: Simplify right side
    1,208,761.60x = 1,547,125,348,565.76
  5. Step 5: Solve for x
    x = 1,547,125,348,565.76/1,208,761.60
  6. Step 6: Final answer
    x = 1,279,925.96

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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.