Home / 1,091,657.60-1,637,486.40-619,265.60

Finding the Fourth Proportional to 1,091,657.60, 1,637,486.40 and 619,265.60

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Solution

The fourth proportional to 1,091,657.60, 1,637,486.40 and 619,265.60 is: 928,898.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,657.60 : 1,637,486.40 = 619,265.60 : x
  2. Step 2: Convert to fraction form
    1,091,657.60/1,637,486.40 = 619,265.60/x
  3. Step 3: Cross multiply
    1,091,657.60x = 1,637,486.40 × 619,265.60
  4. Step 4: Simplify right side
    1,091,657.60x = 1,014,038,997,987.84
  5. Step 5: Solve for x
    x = 1,014,038,997,987.84/1,091,657.60
  6. Step 6: Final answer
    x = 928,898.40

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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.