Home / 879,641.76-1,213,900.56-477,225.12

Finding the Fourth Proportional to 879,641.76, 1,213,900.56 and 477,225.12

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Solution

The fourth proportional to 879,641.76, 1,213,900.56 and 477,225.12 is: 658,567.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,641.76 : 1,213,900.56 = 477,225.12 : x
  2. Step 2: Convert to fraction form
    879,641.76/1,213,900.56 = 477,225.12/x
  3. Step 3: Cross multiply
    879,641.76x = 1,213,900.56 × 477,225.12
  4. Step 4: Simplify right side
    879,641.76x = 579,303,840,414.07
  5. Step 5: Solve for x
    x = 579,303,840,414.07/879,641.76
  6. Step 6: Final answer
    x = 658,567.92

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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.