Home / 912,228.55-1,259,075.24-530,475.55

Finding the Fourth Proportional to 912,228.55, 1,259,075.24 and 530,475.55

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Solution

The fourth proportional to 912,228.55, 1,259,075.24 and 530,475.55 is: 732,172.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,228.55 : 1,259,075.24 = 530,475.55 : x
  2. Step 2: Convert to fraction form
    912,228.55/1,259,075.24 = 530,475.55/x
  3. Step 3: Cross multiply
    912,228.55x = 1,259,075.24 × 530,475.55
  4. Step 4: Simplify right side
    912,228.55x = 667,908,626,619.60
  5. Step 5: Solve for x
    x = 667,908,626,619.60/912,228.55
  6. Step 6: Final answer
    x = 732,172.47

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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.