Home / 879,916.16-1,214,284.28-477,508.16

Finding the Fourth Proportional to 879,916.16, 1,214,284.28 and 477,508.16

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Solution

The fourth proportional to 879,916.16, 1,214,284.28 and 477,508.16 is: 658,961.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,916.16 : 1,214,284.28 = 477,508.16 : x
  2. Step 2: Convert to fraction form
    879,916.16/1,214,284.28 = 477,508.16/x
  3. Step 3: Cross multiply
    879,916.16x = 1,214,284.28 × 477,508.16
  4. Step 4: Simplify right side
    879,916.16x = 579,830,652,259.73
  5. Step 5: Solve for x
    x = 579,830,652,259.73/879,916.16
  6. Step 6: Final answer
    x = 658,961.25

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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.