Home / 697,316.83-1,045,973.53-393,573.29

Finding the Fourth Proportional to 697,316.83, 1,045,973.53 and 393,573.29

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Solution

The fourth proportional to 697,316.83, 1,045,973.53 and 393,573.29 is: 590,358.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,316.83 : 1,045,973.53 = 393,573.29 : x
  2. Step 2: Convert to fraction form
    697,316.83/1,045,973.53 = 393,573.29/x
  3. Step 3: Cross multiply
    697,316.83x = 1,045,973.53 × 393,573.29
  4. Step 4: Simplify right side
    697,316.83x = 411,667,243,455.01
  5. Step 5: Solve for x
    x = 411,667,243,455.01/697,316.83
  6. Step 6: Final answer
    x = 590,358.97

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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.