Home / 884,683.65-1,220,827.24-497,488.05

Finding the Fourth Proportional to 884,683.65, 1,220,827.24 and 497,488.05

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Solution

The fourth proportional to 884,683.65, 1,220,827.24 and 497,488.05 is: 686,513.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,683.65 : 1,220,827.24 = 497,488.05 : x
  2. Step 2: Convert to fraction form
    884,683.65/1,220,827.24 = 497,488.05/x
  3. Step 3: Cross multiply
    884,683.65x = 1,220,827.24 × 497,488.05
  4. Step 4: Simplify right side
    884,683.65x = 607,346,963,014.48
  5. Step 5: Solve for x
    x = 607,346,963,014.48/884,683.65
  6. Step 6: Final answer
    x = 686,513.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.