Home / 877,090.40-1,315,635.60-877,090.40

Finding the Fourth Proportional to 877,090.40, 1,315,635.60 and 877,090.40

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Solution

The fourth proportional to 877,090.40, 1,315,635.60 and 877,090.40 is: 1,315,635.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,090.40 : 1,315,635.60 = 877,090.40 : x
  2. Step 2: Convert to fraction form
    877,090.40/1,315,635.60 = 877,090.40/x
  3. Step 3: Cross multiply
    877,090.40x = 1,315,635.60 × 877,090.40
  4. Step 4: Simplify right side
    877,090.40x = 1,153,931,354,658.24
  5. Step 5: Solve for x
    x = 1,153,931,354,658.24/877,090.40
  6. Step 6: Final answer
    x = 1,315,635.60

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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.