Home / 910,360.30-1,365,212.40-460,931.80

Finding the Fourth Proportional to 910,360.30, 1,365,212.40 and 460,931.80

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Solution

The fourth proportional to 910,360.30, 1,365,212.40 and 460,931.80 is: 691,231.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,360.30 : 1,365,212.40 = 460,931.80 : x
  2. Step 2: Convert to fraction form
    910,360.30/1,365,212.40 = 460,931.80/x
  3. Step 3: Cross multiply
    910,360.30x = 1,365,212.40 × 460,931.80
  4. Step 4: Simplify right side
    910,360.30x = 629,269,808,914.32
  5. Step 5: Solve for x
    x = 629,269,808,914.32/910,360.30
  6. Step 6: Final answer
    x = 691,231.60

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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.