Home / 1,057,914.40-1,586,547.60-347,778.40

Finding the Fourth Proportional to 1,057,914.40, 1,586,547.60 and 347,778.40

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Solution

The fourth proportional to 1,057,914.40, 1,586,547.60 and 347,778.40 is: 521,561.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,914.40 : 1,586,547.60 = 347,778.40 : x
  2. Step 2: Convert to fraction form
    1,057,914.40/1,586,547.60 = 347,778.40/x
  3. Step 3: Cross multiply
    1,057,914.40x = 1,586,547.60 × 347,778.40
  4. Step 4: Simplify right side
    1,057,914.40x = 551,766,985,851.84
  5. Step 5: Solve for x
    x = 551,766,985,851.84/1,057,914.40
  6. Step 6: Final answer
    x = 521,561.09

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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.