Home / 1,015,725.42-1,401,692.12-556,831.65

Finding the Fourth Proportional to 1,015,725.42, 1,401,692.12 and 556,831.65

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Solution

The fourth proportional to 1,015,725.42, 1,401,692.12 and 556,831.65 is: 768,422.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,725.42 : 1,401,692.12 = 556,831.65 : x
  2. Step 2: Convert to fraction form
    1,015,725.42/1,401,692.12 = 556,831.65/x
  3. Step 3: Cross multiply
    1,015,725.42x = 1,401,692.12 × 556,831.65
  4. Step 4: Simplify right side
    1,015,725.42x = 780,506,535,779.56
  5. Step 5: Solve for x
    x = 780,506,535,779.56/1,015,725.42
  6. Step 6: Final answer
    x = 768,422.77

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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.