Home / 884,870.41-1,220,970.25-497,585.52

Finding the Fourth Proportional to 884,870.41, 1,220,970.25 and 497,585.52

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Solution

The fourth proportional to 884,870.41, 1,220,970.25 and 497,585.52 is: 686,583.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,870.41 : 1,220,970.25 = 497,585.52 : x
  2. Step 2: Convert to fraction form
    884,870.41/1,220,970.25 = 497,585.52/x
  3. Step 3: Cross multiply
    884,870.41x = 1,220,970.25 × 497,585.52
  4. Step 4: Simplify right side
    884,870.41x = 607,537,116,750.78
  5. Step 5: Solve for x
    x = 607,537,116,750.78/884,870.41
  6. Step 6: Final answer
    x = 686,583.15

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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.