Home / 910,523.40-1,365,785.10-437,094.60

Finding the Fourth Proportional to 910,523.40, 1,365,785.10 and 437,094.60

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Solution

The fourth proportional to 910,523.40, 1,365,785.10 and 437,094.60 is: 655,641.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,523.40 : 1,365,785.10 = 437,094.60 : x
  2. Step 2: Convert to fraction form
    910,523.40/1,365,785.10 = 437,094.60/x
  3. Step 3: Cross multiply
    910,523.40x = 1,365,785.10 × 437,094.60
  4. Step 4: Simplify right side
    910,523.40x = 596,977,291,970.46
  5. Step 5: Solve for x
    x = 596,977,291,970.46/910,523.40
  6. Step 6: Final answer
    x = 655,641.90

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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.