Home / 879,872.10-1,214,223.48-477,464.10

Finding the Fourth Proportional to 879,872.10, 1,214,223.48 and 477,464.10

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Solution

The fourth proportional to 879,872.10, 1,214,223.48 and 477,464.10 is: 658,900.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,872.10 : 1,214,223.48 = 477,464.10 : x
  2. Step 2: Convert to fraction form
    879,872.10/1,214,223.48 = 477,464.10/x
  3. Step 3: Cross multiply
    879,872.10x = 1,214,223.48 × 477,464.10
  4. Step 4: Simplify right side
    879,872.10x = 579,748,121,077.07
  5. Step 5: Solve for x
    x = 579,748,121,077.07/879,872.10
  6. Step 6: Final answer
    x = 658,900.45

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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.