Home / 977,549.40-1,465,886.70-444,796.20

Finding the Fourth Proportional to 977,549.40, 1,465,886.70 and 444,796.20

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Solution

The fourth proportional to 977,549.40, 1,465,886.70 and 444,796.20 is: 666,995.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,549.40 : 1,465,886.70 = 444,796.20 : x
  2. Step 2: Convert to fraction form
    977,549.40/1,465,886.70 = 444,796.20/x
  3. Step 3: Cross multiply
    977,549.40x = 1,465,886.70 × 444,796.20
  4. Step 4: Simplify right side
    977,549.40x = 652,020,833,790.54
  5. Step 5: Solve for x
    x = 652,020,833,790.54/977,549.40
  6. Step 6: Final answer
    x = 666,995.28

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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.