Home / 851,114.80-1,174,503.08-463,921.70

Finding the Fourth Proportional to 851,114.80, 1,174,503.08 and 463,921.70

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Solution

The fourth proportional to 851,114.80, 1,174,503.08 and 463,921.70 is: 640,192.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,114.80 : 1,174,503.08 = 463,921.70 : x
  2. Step 2: Convert to fraction form
    851,114.80/1,174,503.08 = 463,921.70/x
  3. Step 3: Cross multiply
    851,114.80x = 1,174,503.08 × 463,921.70
  4. Step 4: Simplify right side
    851,114.80x = 544,877,461,432.77
  5. Step 5: Solve for x
    x = 544,877,461,432.77/851,114.80
  6. Step 6: Final answer
    x = 640,192.68

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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.