Home / 1,121,637.54-1,547,801.25-612,241.50

Finding the Fourth Proportional to 1,121,637.54, 1,547,801.25 and 612,241.50

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Solution

The fourth proportional to 1,121,637.54, 1,547,801.25 and 612,241.50 is: 844,861.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,637.54 : 1,547,801.25 = 612,241.50 : x
  2. Step 2: Convert to fraction form
    1,121,637.54/1,547,801.25 = 612,241.50/x
  3. Step 3: Cross multiply
    1,121,637.54x = 1,547,801.25 × 612,241.50
  4. Step 4: Simplify right side
    1,121,637.54x = 947,628,159,001.88
  5. Step 5: Solve for x
    x = 947,628,159,001.88/1,121,637.54
  6. Step 6: Final answer
    x = 844,861.31

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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.