Home / 579,587.40-867,537.90-413,699.40

Finding the Fourth Proportional to 579,587.40, 867,537.90 and 413,699.40

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Solution

The fourth proportional to 579,587.40, 867,537.90 and 413,699.40 is: 619,233.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,587.40 : 867,537.90 = 413,699.40 : x
  2. Step 2: Convert to fraction form
    579,587.40/867,537.90 = 413,699.40/x
  3. Step 3: Cross multiply
    579,587.40x = 867,537.90 × 413,699.40
  4. Step 4: Simplify right side
    579,587.40x = 358,899,908,707.26
  5. Step 5: Solve for x
    x = 358,899,908,707.26/579,587.40
  6. Step 6: Final answer
    x = 619,233.46

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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.