Home / 870,192.68-1,200,938.28-483,044.54

Finding the Fourth Proportional to 870,192.68, 1,200,938.28 and 483,044.54

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Solution

The fourth proportional to 870,192.68, 1,200,938.28 and 483,044.54 is: 666,641.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,192.68 : 1,200,938.28 = 483,044.54 : x
  2. Step 2: Convert to fraction form
    870,192.68/1,200,938.28 = 483,044.54/x
  3. Step 3: Cross multiply
    870,192.68x = 1,200,938.28 × 483,044.54
  4. Step 4: Simplify right side
    870,192.68x = 580,106,679,030.99
  5. Step 5: Solve for x
    x = 580,106,679,030.99/870,192.68
  6. Step 6: Final answer
    x = 666,641.64

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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.