Home / 1,178,562.24-1,626,416.16-642,018.24

Finding the Fourth Proportional to 1,178,562.24, 1,626,416.16 and 642,018.24

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Solution

The fourth proportional to 1,178,562.24, 1,626,416.16 and 642,018.24 is: 885,985.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,562.24 : 1,626,416.16 = 642,018.24 : x
  2. Step 2: Convert to fraction form
    1,178,562.24/1,626,416.16 = 642,018.24/x
  3. Step 3: Cross multiply
    1,178,562.24x = 1,626,416.16 × 642,018.24
  4. Step 4: Simplify right side
    1,178,562.24x = 1,044,188,840,550.76
  5. Step 5: Solve for x
    x = 1,044,188,840,550.76/1,178,562.24
  6. Step 6: Final answer
    x = 885,985.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.