Home / 581,746.86-802,148.76-409,609.80

Finding the Fourth Proportional to 581,746.86, 802,148.76 and 409,609.80

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Solution

The fourth proportional to 581,746.86, 802,148.76 and 409,609.80 is: 564,795.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,746.86 : 802,148.76 = 409,609.80 : x
  2. Step 2: Convert to fraction form
    581,746.86/802,148.76 = 409,609.80/x
  3. Step 3: Cross multiply
    581,746.86x = 802,148.76 × 409,609.80
  4. Step 4: Simplify right side
    581,746.86x = 328,567,993,153.85
  5. Step 5: Solve for x
    x = 328,567,993,153.85/581,746.86
  6. Step 6: Final answer
    x = 564,795.47

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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.