Home / 895,647.57-1,235,937.65-493,239.57

Finding the Fourth Proportional to 895,647.57, 1,235,937.65 and 493,239.57

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Solution

The fourth proportional to 895,647.57, 1,235,937.65 and 493,239.57 is: 680,639.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,647.57 : 1,235,937.65 = 493,239.57 : x
  2. Step 2: Convert to fraction form
    895,647.57/1,235,937.65 = 493,239.57/x
  3. Step 3: Cross multiply
    895,647.57x = 1,235,937.65 × 493,239.57
  4. Step 4: Simplify right side
    895,647.57x = 609,613,355,032.81
  5. Step 5: Solve for x
    x = 609,613,355,032.81/895,647.57
  6. Step 6: Final answer
    x = 680,639.77

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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.