Home / 562,416.04-776,134.20-307,767.28

Finding the Fourth Proportional to 562,416.04, 776,134.20 and 307,767.28

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Solution

The fourth proportional to 562,416.04, 776,134.20 and 307,767.28 is: 424,718.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,416.04 : 776,134.20 = 307,767.28 : x
  2. Step 2: Convert to fraction form
    562,416.04/776,134.20 = 307,767.28/x
  3. Step 3: Cross multiply
    562,416.04x = 776,134.20 × 307,767.28
  4. Step 4: Simplify right side
    562,416.04x = 238,868,711,648.98
  5. Step 5: Solve for x
    x = 238,868,711,648.98/562,416.04
  6. Step 6: Final answer
    x = 424,718.88

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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.