Home / 830,677.56-1,146,335.54-448,704.51

Finding the Fourth Proportional to 830,677.56, 1,146,335.54 and 448,704.51

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Solution

The fourth proportional to 830,677.56, 1,146,335.54 and 448,704.51 is: 619,212.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,677.56 : 1,146,335.54 = 448,704.51 : x
  2. Step 2: Convert to fraction form
    830,677.56/1,146,335.54 = 448,704.51/x
  3. Step 3: Cross multiply
    830,677.56x = 1,146,335.54 × 448,704.51
  4. Step 4: Simplify right side
    830,677.56x = 514,365,924,527.76
  5. Step 5: Solve for x
    x = 514,365,924,527.76/830,677.56
  6. Step 6: Final answer
    x = 619,212.50

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Double scale
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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.