Home / 879,869.34-1,214,219.65-477,461.34

Finding the Fourth Proportional to 879,869.34, 1,214,219.65 and 477,461.34

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Solution

The fourth proportional to 879,869.34, 1,214,219.65 and 477,461.34 is: 658,896.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,869.34 : 1,214,219.65 = 477,461.34 : x
  2. Step 2: Convert to fraction form
    879,869.34/1,214,219.65 = 477,461.34/x
  3. Step 3: Cross multiply
    879,869.34x = 1,214,219.65 × 477,461.34
  4. Step 4: Simplify right side
    879,869.34x = 579,742,941,143.33
  5. Step 5: Solve for x
    x = 579,742,941,143.33/879,869.34
  6. Step 6: Final answer
    x = 658,896.63

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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.