Home / 1,038,790.04-1,558,387.02-399,047

Finding the Fourth Proportional to 1,038,790.04, 1,558,387.02 and 399,047

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Solution

The fourth proportional to 1,038,790.04, 1,558,387.02 and 399,047 is: 598,648.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,790.04 : 1,558,387.02 = 399,047 : x
  2. Step 2: Convert to fraction form
    1,038,790.04/1,558,387.02 = 399,047/x
  3. Step 3: Cross multiply
    1,038,790.04x = 1,558,387.02 × 399,047
  4. Step 4: Simplify right side
    1,038,790.04x = 621,869,665,169.94
  5. Step 5: Solve for x
    x = 621,869,665,169.94/1,038,790.04
  6. Step 6: Final answer
    x = 598,648.08

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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.