Home / 1,527,535.60-2,291,303.05-390,299.93

Finding the Fourth Proportional to 1,527,535.60, 2,291,303.05 and 390,299.93

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Solution

The fourth proportional to 1,527,535.60, 2,291,303.05 and 390,299.93 is: 585,449.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527,535.60 : 2,291,303.05 = 390,299.93 : x
  2. Step 2: Convert to fraction form
    1,527,535.60/2,291,303.05 = 390,299.93/x
  3. Step 3: Cross multiply
    1,527,535.60x = 2,291,303.05 × 390,299.93
  4. Step 4: Simplify right side
    1,527,535.60x = 894,295,420,023.79
  5. Step 5: Solve for x
    x = 894,295,420,023.79/1,527,535.60
  6. Step 6: Final answer
    x = 585,449.81

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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.