Home / 1,057,670.90-1,587,136.76-383,804.78

Finding the Fourth Proportional to 1,057,670.90, 1,587,136.76 and 383,804.78

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Solution

The fourth proportional to 1,057,670.90, 1,587,136.76 and 383,804.78 is: 575,935.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,670.90 : 1,587,136.76 = 383,804.78 : x
  2. Step 2: Convert to fraction form
    1,057,670.90/1,587,136.76 = 383,804.78/x
  3. Step 3: Cross multiply
    1,057,670.90x = 1,587,136.76 × 383,804.78
  4. Step 4: Simplify right side
    1,057,670.90x = 609,150,675,001.71
  5. Step 5: Solve for x
    x = 609,150,675,001.71/1,057,670.90
  6. Step 6: Final answer
    x = 575,935.93

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1.5x scale

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.