Home / 918,063.60-1,377,095.40-634,628.40

Finding the Fourth Proportional to 918,063.60, 1,377,095.40 and 634,628.40

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Solution

The fourth proportional to 918,063.60, 1,377,095.40 and 634,628.40 is: 951,942.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,063.60 : 1,377,095.40 = 634,628.40 : x
  2. Step 2: Convert to fraction form
    918,063.60/1,377,095.40 = 634,628.40/x
  3. Step 3: Cross multiply
    918,063.60x = 1,377,095.40 × 634,628.40
  4. Step 4: Simplify right side
    918,063.60x = 873,943,850,349.36
  5. Step 5: Solve for x
    x = 873,943,850,349.36/918,063.60
  6. Step 6: Final answer
    x = 951,942.60

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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.