Home / 1,527,534.10-2,291,300.81-390,298.43

Finding the Fourth Proportional to 1,527,534.10, 2,291,300.81 and 390,298.43

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Solution

The fourth proportional to 1,527,534.10, 2,291,300.81 and 390,298.43 is: 585,447.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527,534.10 : 2,291,300.81 = 390,298.43 : x
  2. Step 2: Convert to fraction form
    1,527,534.10/2,291,300.81 = 390,298.43/x
  3. Step 3: Cross multiply
    1,527,534.10x = 2,291,300.81 × 390,298.43
  4. Step 4: Simplify right side
    1,527,534.10x = 894,291,095,392.73
  5. Step 5: Solve for x
    x = 894,291,095,392.73/1,527,534.10
  6. Step 6: Final answer
    x = 585,447.55

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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.