Home / 973,680.32-1,343,678.76-543,960.56

Finding the Fourth Proportional to 973,680.32, 1,343,678.76 and 543,960.56

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Solution

The fourth proportional to 973,680.32, 1,343,678.76 and 543,960.56 is: 750,665.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    973,680.32 : 1,343,678.76 = 543,960.56 : x
  2. Step 2: Convert to fraction form
    973,680.32/1,343,678.76 = 543,960.56/x
  3. Step 3: Cross multiply
    973,680.32x = 1,343,678.76 × 543,960.56
  4. Step 4: Simplify right side
    973,680.32x = 730,908,250,749.71
  5. Step 5: Solve for x
    x = 730,908,250,749.71/973,680.32
  6. Step 6: Final answer
    x = 750,665.53

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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.