Home / 1,657,956.60-2,487,518.10-815,945.40

Finding the Fourth Proportional to 1,657,956.60, 2,487,518.10 and 815,945.40

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Solution

The fourth proportional to 1,657,956.60, 2,487,518.10 and 815,945.40 is: 1,224,205.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,956.60 : 2,487,518.10 = 815,945.40 : x
  2. Step 2: Convert to fraction form
    1,657,956.60/2,487,518.10 = 815,945.40/x
  3. Step 3: Cross multiply
    1,657,956.60x = 2,487,518.10 × 815,945.40
  4. Step 4: Simplify right side
    1,657,956.60x = 2,029,678,951,111.74
  5. Step 5: Solve for x
    x = 2,029,678,951,111.74/1,657,956.60
  6. Step 6: Final answer
    x = 1,224,205.12

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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.