Home / 461,555.10-637,283.59-298,308.25

Finding the Fourth Proportional to 461,555.10, 637,283.59 and 298,308.25

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Solution

The fourth proportional to 461,555.10, 637,283.59 and 298,308.25 is: 411,883.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,555.10 : 637,283.59 = 298,308.25 : x
  2. Step 2: Convert to fraction form
    461,555.10/637,283.59 = 298,308.25/x
  3. Step 3: Cross multiply
    461,555.10x = 637,283.59 × 298,308.25
  4. Step 4: Simplify right side
    461,555.10x = 190,106,952,537.45
  5. Step 5: Solve for x
    x = 190,106,952,537.45/461,555.10
  6. Step 6: Final answer
    x = 411,883.55

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1.5x scale

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.