Home / 556,933.81-768,559.02-302,279.53

Finding the Fourth Proportional to 556,933.81, 768,559.02 and 302,279.53

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Solution

The fourth proportional to 556,933.81, 768,559.02 and 302,279.53 is: 417,140.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,933.81 : 768,559.02 = 302,279.53 : x
  2. Step 2: Convert to fraction form
    556,933.81/768,559.02 = 302,279.53/x
  3. Step 3: Cross multiply
    556,933.81x = 768,559.02 × 302,279.53
  4. Step 4: Simplify right side
    556,933.81x = 232,319,659,342.86
  5. Step 5: Solve for x
    x = 232,319,659,342.86/556,933.81
  6. Step 6: Final answer
    x = 417,140.52

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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.