Home / 832,871.70-1,249,307.55-620,295.30

Finding the Fourth Proportional to 832,871.70, 1,249,307.55 and 620,295.30

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Solution

The fourth proportional to 832,871.70, 1,249,307.55 and 620,295.30 is: 930,442.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,871.70 : 1,249,307.55 = 620,295.30 : x
  2. Step 2: Convert to fraction form
    832,871.70/1,249,307.55 = 620,295.30/x
  3. Step 3: Cross multiply
    832,871.70x = 1,249,307.55 × 620,295.30
  4. Step 4: Simplify right side
    832,871.70x = 774,939,601,519.52
  5. Step 5: Solve for x
    x = 774,939,601,519.52/832,871.70
  6. Step 6: Final answer
    x = 930,442.95

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Double scale
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1.5x scale

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.