Home / 585,054.20-877,581.30-545,688.20

Finding the Fourth Proportional to 585,054.20, 877,581.30 and 545,688.20

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Solution

The fourth proportional to 585,054.20, 877,581.30 and 545,688.20 is: 818,532.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,054.20 : 877,581.30 = 545,688.20 : x
  2. Step 2: Convert to fraction form
    585,054.20/877,581.30 = 545,688.20/x
  3. Step 3: Cross multiply
    585,054.20x = 877,581.30 × 545,688.20
  4. Step 4: Simplify right side
    585,054.20x = 478,885,759,950.66
  5. Step 5: Solve for x
    x = 478,885,759,950.66/585,054.20
  6. Step 6: Final answer
    x = 818,532.30

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Double scale
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Similar ratio
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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.