Home / 912,572.50-1,369,051.55-343,941.56

Finding the Fourth Proportional to 912,572.50, 1,369,051.55 and 343,941.56

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Solution

The fourth proportional to 912,572.50, 1,369,051.55 and 343,941.56 is: 515,985.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,572.50 : 1,369,051.55 = 343,941.56 : x
  2. Step 2: Convert to fraction form
    912,572.50/1,369,051.55 = 343,941.56/x
  3. Step 3: Cross multiply
    912,572.50x = 1,369,051.55 × 343,941.56
  4. Step 4: Simplify right side
    912,572.50x = 470,873,725,827.42
  5. Step 5: Solve for x
    x = 470,873,725,827.42/912,572.50
  6. Step 6: Final answer
    x = 515,985.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.