Home / 879,753.54-1,214,059.10-477,345.54

Finding the Fourth Proportional to 879,753.54, 1,214,059.10 and 477,345.54

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Solution

The fourth proportional to 879,753.54, 1,214,059.10 and 477,345.54 is: 658,736.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,753.54 : 1,214,059.10 = 477,345.54 : x
  2. Step 2: Convert to fraction form
    879,753.54/1,214,059.10 = 477,345.54/x
  3. Step 3: Cross multiply
    879,753.54x = 1,214,059.10 × 477,345.54
  4. Step 4: Simplify right side
    879,753.54x = 579,525,696,681.41
  5. Step 5: Solve for x
    x = 579,525,696,681.41/879,753.54
  6. Step 6: Final answer
    x = 658,736.42

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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.