Home / 912,681.60-1,366,926.27-455,870.69

Finding the Fourth Proportional to 912,681.60, 1,366,926.27 and 455,870.69

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Solution

The fourth proportional to 912,681.60, 1,366,926.27 and 455,870.69 is: 682,759.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,681.60 : 1,366,926.27 = 455,870.69 : x
  2. Step 2: Convert to fraction form
    912,681.60/1,366,926.27 = 455,870.69/x
  3. Step 3: Cross multiply
    912,681.60x = 1,366,926.27 × 455,870.69
  4. Step 4: Simplify right side
    912,681.60x = 623,141,626,156.74
  5. Step 5: Solve for x
    x = 623,141,626,156.74/912,681.60
  6. Step 6: Final answer
    x = 682,759.06

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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.