Home / 847,121.76-1,169,066.16-507,582.72

Finding the Fourth Proportional to 847,121.76, 1,169,066.16 and 507,582.72

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Solution

The fourth proportional to 847,121.76, 1,169,066.16 and 507,582.72 is: 700,487.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,121.76 : 1,169,066.16 = 507,582.72 : x
  2. Step 2: Convert to fraction form
    847,121.76/1,169,066.16 = 507,582.72/x
  3. Step 3: Cross multiply
    847,121.76x = 1,169,066.16 × 507,582.72
  4. Step 4: Simplify right side
    847,121.76x = 593,397,781,352.76
  5. Step 5: Solve for x
    x = 593,397,781,352.76/847,121.76
  6. Step 6: Final answer
    x = 700,487.00

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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.