Home / 990,461.67-1,366,837.02-537,752.67

Finding the Fourth Proportional to 990,461.67, 1,366,837.02 and 537,752.67

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Solution

The fourth proportional to 990,461.67, 1,366,837.02 and 537,752.67 is: 742,098.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,461.67 : 1,366,837.02 = 537,752.67 : x
  2. Step 2: Convert to fraction form
    990,461.67/1,366,837.02 = 537,752.67/x
  3. Step 3: Cross multiply
    990,461.67x = 1,366,837.02 × 537,752.67
  4. Step 4: Simplify right side
    990,461.67x = 735,020,256,959.84
  5. Step 5: Solve for x
    x = 735,020,256,959.84/990,461.67
  6. Step 6: Final answer
    x = 742,098.64

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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.