Home / 758,770.57-1,047,591.53-486,955.63

Finding the Fourth Proportional to 758,770.57, 1,047,591.53 and 486,955.63

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Solution

The fourth proportional to 758,770.57, 1,047,591.53 and 486,955.63 is: 672,312.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,770.57 : 1,047,591.53 = 486,955.63 : x
  2. Step 2: Convert to fraction form
    758,770.57/1,047,591.53 = 486,955.63/x
  3. Step 3: Cross multiply
    758,770.57x = 1,047,591.53 × 486,955.63
  4. Step 4: Simplify right side
    758,770.57x = 510,130,593,473.81
  5. Step 5: Solve for x
    x = 510,130,593,473.81/758,770.57
  6. Step 6: Final answer
    x = 672,312.04

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Double scale
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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.