Home / 910,553.40-1,365,830.10-437,124.60

Finding the Fourth Proportional to 910,553.40, 1,365,830.10 and 437,124.60

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Solution

The fourth proportional to 910,553.40, 1,365,830.10 and 437,124.60 is: 655,686.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,553.40 : 1,365,830.10 = 437,124.60 : x
  2. Step 2: Convert to fraction form
    910,553.40/1,365,830.10 = 437,124.60/x
  3. Step 3: Cross multiply
    910,553.40x = 1,365,830.10 × 437,124.60
  4. Step 4: Simplify right side
    910,553.40x = 597,037,936,130.46
  5. Step 5: Solve for x
    x = 597,037,936,130.46/910,553.40
  6. Step 6: Final answer
    x = 655,686.90

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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.