Home / 977,694.30-1,465,666.65-640,896.30

Finding the Fourth Proportional to 977,694.30, 1,465,666.65 and 640,896.30

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Solution

The fourth proportional to 977,694.30, 1,465,666.65 and 640,896.30 is: 960,771.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,694.30 : 1,465,666.65 = 640,896.30 : x
  2. Step 2: Convert to fraction form
    977,694.30/1,465,666.65 = 640,896.30/x
  3. Step 3: Cross multiply
    977,694.30x = 1,465,666.65 × 640,896.30
  4. Step 4: Simplify right side
    977,694.30x = 939,340,333,018.40
  5. Step 5: Solve for x
    x = 939,340,333,018.40/977,694.30
  6. Step 6: Final answer
    x = 960,771.00

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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.