Home / 717,897.60-1,076,846.40-618,170.40

Finding the Fourth Proportional to 717,897.60, 1,076,846.40 and 618,170.40

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Solution

The fourth proportional to 717,897.60, 1,076,846.40 and 618,170.40 is: 927,255.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,897.60 : 1,076,846.40 = 618,170.40 : x
  2. Step 2: Convert to fraction form
    717,897.60/1,076,846.40 = 618,170.40/x
  3. Step 3: Cross multiply
    717,897.60x = 1,076,846.40 × 618,170.40
  4. Step 4: Simplify right side
    717,897.60x = 665,674,569,826.56
  5. Step 5: Solve for x
    x = 665,674,569,826.56/717,897.60
  6. Step 6: Final answer
    x = 927,255.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.