Home / 634,948.72-876,239.80-348,495.44

Finding the Fourth Proportional to 634,948.72, 876,239.80 and 348,495.44

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Solution

The fourth proportional to 634,948.72, 876,239.80 and 348,495.44 is: 480,929.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,948.72 : 876,239.80 = 348,495.44 : x
  2. Step 2: Convert to fraction form
    634,948.72/876,239.80 = 348,495.44/x
  3. Step 3: Cross multiply
    634,948.72x = 876,239.80 × 348,495.44
  4. Step 4: Simplify right side
    634,948.72x = 305,365,574,646.51
  5. Step 5: Solve for x
    x = 305,365,574,646.51/634,948.72
  6. Step 6: Final answer
    x = 480,929.51

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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.