Home / 771,168.13-1,154,740.15-620,585.89

Finding the Fourth Proportional to 771,168.13, 1,154,740.15 and 620,585.89

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Solution

The fourth proportional to 771,168.13, 1,154,740.15 and 620,585.89 is: 929,259.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,168.13 : 1,154,740.15 = 620,585.89 : x
  2. Step 2: Convert to fraction form
    771,168.13/1,154,740.15 = 620,585.89/x
  3. Step 3: Cross multiply
    771,168.13x = 1,154,740.15 × 620,585.89
  4. Step 4: Simplify right side
    771,168.13x = 716,615,443,706.48
  5. Step 5: Solve for x
    x = 716,615,443,706.48/771,168.13
  6. Step 6: Final answer
    x = 929,259.67

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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.