Home / 870,056.04-1,200,672.06-507,451.44

Finding the Fourth Proportional to 870,056.04, 1,200,672.06 and 507,451.44

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Solution

The fourth proportional to 870,056.04, 1,200,672.06 and 507,451.44 is: 700,279.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,056.04 : 1,200,672.06 = 507,451.44 : x
  2. Step 2: Convert to fraction form
    870,056.04/1,200,672.06 = 507,451.44/x
  3. Step 3: Cross multiply
    870,056.04x = 1,200,672.06 × 507,451.44
  4. Step 4: Simplify right side
    870,056.04x = 609,282,765,814.77
  5. Step 5: Solve for x
    x = 609,282,765,814.77/870,056.04
  6. Step 6: Final answer
    x = 700,279.91

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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.