Home / 879,535.32-1,213,761.08-477,127.32

Finding the Fourth Proportional to 879,535.32, 1,213,761.08 and 477,127.32

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Solution

The fourth proportional to 879,535.32, 1,213,761.08 and 477,127.32 is: 658,436.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,535.32 : 1,213,761.08 = 477,127.32 : x
  2. Step 2: Convert to fraction form
    879,535.32/1,213,761.08 = 477,127.32/x
  3. Step 3: Cross multiply
    879,535.32x = 1,213,761.08 × 477,127.32
  4. Step 4: Simplify right side
    879,535.32x = 579,118,571,220.71
  5. Step 5: Solve for x
    x = 579,118,571,220.71/879,535.32
  6. Step 6: Final answer
    x = 658,436.97

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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.