Home / 849,403.12-1,172,161.14-462,205.37

Finding the Fourth Proportional to 849,403.12, 1,172,161.14 and 462,205.37

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Solution

The fourth proportional to 849,403.12, 1,172,161.14 and 462,205.37 is: 637,835.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,403.12 : 1,172,161.14 = 462,205.37 : x
  2. Step 2: Convert to fraction form
    849,403.12/1,172,161.14 = 462,205.37/x
  3. Step 3: Cross multiply
    849,403.12x = 1,172,161.14 × 462,205.37
  4. Step 4: Simplify right side
    849,403.12x = 541,779,173,413.32
  5. Step 5: Solve for x
    x = 541,779,173,413.32/849,403.12
  6. Step 6: Final answer
    x = 637,835.16

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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.