Home / 1,174,254.12-1,620,479-637,710.12

Finding the Fourth Proportional to 1,174,254.12, 1,620,479 and 637,710.12

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Solution

The fourth proportional to 1,174,254.12, 1,620,479 and 637,710.12 is: 880,044.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,254.12 : 1,620,479 = 637,710.12 : x
  2. Step 2: Convert to fraction form
    1,174,254.12/1,620,479 = 637,710.12/x
  3. Step 3: Cross multiply
    1,174,254.12x = 1,620,479 × 637,710.12
  4. Step 4: Simplify right side
    1,174,254.12x = 1,033,395,857,547.48
  5. Step 5: Solve for x
    x = 1,033,395,857,547.48/1,174,254.12
  6. Step 6: Final answer
    x = 880,044.48

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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.