Home / 912,681.17-1,366,925.62-455,870.26

Finding the Fourth Proportional to 912,681.17, 1,366,925.62 and 455,870.26

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Solution

The fourth proportional to 912,681.17, 1,366,925.62 and 455,870.26 is: 682,758.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,681.17 : 1,366,925.62 = 455,870.26 : x
  2. Step 2: Convert to fraction form
    912,681.17/1,366,925.62 = 455,870.26/x
  3. Step 3: Cross multiply
    912,681.17x = 1,366,925.62 × 455,870.26
  4. Step 4: Simplify right side
    912,681.17x = 623,140,736,082.26
  5. Step 5: Solve for x
    x = 623,140,736,082.26/912,681.17
  6. Step 6: Final answer
    x = 682,758.40

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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.