Home / 680,931.29-1,020,068.19-530,467.07

Finding the Fourth Proportional to 680,931.29, 1,020,068.19 and 530,467.07

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Solution

The fourth proportional to 680,931.29, 1,020,068.19 and 530,467.07 is: 794,665.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,931.29 : 1,020,068.19 = 530,467.07 : x
  2. Step 2: Convert to fraction form
    680,931.29/1,020,068.19 = 530,467.07/x
  3. Step 3: Cross multiply
    680,931.29x = 1,020,068.19 × 530,467.07
  4. Step 4: Simplify right side
    680,931.29x = 541,112,578,849.16
  5. Step 5: Solve for x
    x = 541,112,578,849.16/680,931.29
  6. Step 6: Final answer
    x = 794,665.47

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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.