Home / 837,047.04-1,155,111.36-455,083.68

Finding the Fourth Proportional to 837,047.04, 1,155,111.36 and 455,083.68

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Solution

The fourth proportional to 837,047.04, 1,155,111.36 and 455,083.68 is: 628,008.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,047.04 : 1,155,111.36 = 455,083.68 : x
  2. Step 2: Convert to fraction form
    837,047.04/1,155,111.36 = 455,083.68/x
  3. Step 3: Cross multiply
    837,047.04x = 1,155,111.36 × 455,083.68
  4. Step 4: Simplify right side
    837,047.04x = 525,672,328,518.61
  5. Step 5: Solve for x
    x = 525,672,328,518.61/837,047.04
  6. Step 6: Final answer
    x = 628,008.11

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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.