Home / 592,214.04-816,879.12-388,278.18

Finding the Fourth Proportional to 592,214.04, 816,879.12 and 388,278.18

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Solution

The fourth proportional to 592,214.04, 816,879.12 and 388,278.18 is: 535,577.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,214.04 : 816,879.12 = 388,278.18 : x
  2. Step 2: Convert to fraction form
    592,214.04/816,879.12 = 388,278.18/x
  3. Step 3: Cross multiply
    592,214.04x = 816,879.12 × 388,278.18
  4. Step 4: Simplify right side
    592,214.04x = 317,176,337,993.60
  5. Step 5: Solve for x
    x = 317,176,337,993.60/592,214.04
  6. Step 6: Final answer
    x = 535,577.20

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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.