Home / 919,427.74-1,268,985.03-575,423.58

Finding the Fourth Proportional to 919,427.74, 1,268,985.03 and 575,423.58

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Solution

The fourth proportional to 919,427.74, 1,268,985.03 and 575,423.58 is: 794,193.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,427.74 : 1,268,985.03 = 575,423.58 : x
  2. Step 2: Convert to fraction form
    919,427.74/1,268,985.03 = 575,423.58/x
  3. Step 3: Cross multiply
    919,427.74x = 1,268,985.03 × 575,423.58
  4. Step 4: Simplify right side
    919,427.74x = 730,203,908,929.01
  5. Step 5: Solve for x
    x = 730,203,908,929.01/919,427.74
  6. Step 6: Final answer
    x = 794,193.91

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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.