Home / 832,817.80-1,249,039.50-383,106.88

Finding the Fourth Proportional to 832,817.80, 1,249,039.50 and 383,106.88

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Solution

The fourth proportional to 832,817.80, 1,249,039.50 and 383,106.88 is: 574,574.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,817.80 : 1,249,039.50 = 383,106.88 : x
  2. Step 2: Convert to fraction form
    832,817.80/1,249,039.50 = 383,106.88/x
  3. Step 3: Cross multiply
    832,817.80x = 1,249,039.50 × 383,106.88
  4. Step 4: Simplify right side
    832,817.80x = 478,515,625,841.76
  5. Step 5: Solve for x
    x = 478,515,625,841.76/832,817.80
  6. Step 6: Final answer
    x = 574,574.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.