Home / 1,572,128.65-2,358,691.23-561,228.23

Finding the Fourth Proportional to 1,572,128.65, 2,358,691.23 and 561,228.23

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Solution

The fourth proportional to 1,572,128.65, 2,358,691.23 and 561,228.23 is: 842,020.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572,128.65 : 2,358,691.23 = 561,228.23 : x
  2. Step 2: Convert to fraction form
    1,572,128.65/2,358,691.23 = 561,228.23/x
  3. Step 3: Cross multiply
    1,572,128.65x = 2,358,691.23 × 561,228.23
  4. Step 4: Simplify right side
    1,572,128.65x = 1,323,764,095,706.21
  5. Step 5: Solve for x
    x = 1,323,764,095,706.21/1,572,128.65
  6. Step 6: Final answer
    x = 842,020.21

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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.