Home / 926,879.10-1,388,763.45-452,543.10

Finding the Fourth Proportional to 926,879.10, 1,388,763.45 and 452,543.10

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Solution

The fourth proportional to 926,879.10, 1,388,763.45 and 452,543.10 is: 678,055.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,879.10 : 1,388,763.45 = 452,543.10 : x
  2. Step 2: Convert to fraction form
    926,879.10/1,388,763.45 = 452,543.10/x
  3. Step 3: Cross multiply
    926,879.10x = 1,388,763.45 × 452,543.10
  4. Step 4: Simplify right side
    926,879.10x = 628,475,316,829.70
  5. Step 5: Solve for x
    x = 628,475,316,829.70/926,879.10
  6. Step 6: Final answer
    x = 678,055.33

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Double scale
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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.