Home / 438,101.12-604,578.72-236,897.60

Finding the Fourth Proportional to 438,101.12, 604,578.72 and 236,897.60

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Solution

The fourth proportional to 438,101.12, 604,578.72 and 236,897.60 is: 326,918.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,101.12 : 604,578.72 = 236,897.60 : x
  2. Step 2: Convert to fraction form
    438,101.12/604,578.72 = 236,897.60/x
  3. Step 3: Cross multiply
    438,101.12x = 604,578.72 × 236,897.60
  4. Step 4: Simplify right side
    438,101.12x = 143,223,247,779.07
  5. Step 5: Solve for x
    x = 143,223,247,779.07/438,101.12
  6. Step 6: Final answer
    x = 326,918.24

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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.