Home / 1,012,341.90-1,397,038.14-553,457.46

Finding the Fourth Proportional to 1,012,341.90, 1,397,038.14 and 553,457.46

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Solution

The fourth proportional to 1,012,341.90, 1,397,038.14 and 553,457.46 is: 763,774.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,341.90 : 1,397,038.14 = 553,457.46 : x
  2. Step 2: Convert to fraction form
    1,012,341.90/1,397,038.14 = 553,457.46/x
  3. Step 3: Cross multiply
    1,012,341.90x = 1,397,038.14 × 553,457.46
  4. Step 4: Simplify right side
    1,012,341.90x = 773,201,180,487.52
  5. Step 5: Solve for x
    x = 773,201,180,487.52/1,012,341.90
  6. Step 6: Final answer
    x = 763,774.75

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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.