Home / 1,009,548.70-1,393,181.55-550,673.12

Finding the Fourth Proportional to 1,009,548.70, 1,393,181.55 and 550,673.12

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Solution

The fourth proportional to 1,009,548.70, 1,393,181.55 and 550,673.12 is: 759,931.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,548.70 : 1,393,181.55 = 550,673.12 : x
  2. Step 2: Convert to fraction form
    1,009,548.70/1,393,181.55 = 550,673.12/x
  3. Step 3: Cross multiply
    1,009,548.70x = 1,393,181.55 × 550,673.12
  4. Step 4: Simplify right side
    1,009,548.70x = 767,187,634,347.89
  5. Step 5: Solve for x
    x = 767,187,634,347.89/1,009,548.70
  6. Step 6: Final answer
    x = 759,931.28

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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.