Home / 897,857.28-1,239,302.16-530,674.56

Finding the Fourth Proportional to 897,857.28, 1,239,302.16 and 530,674.56

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Solution

The fourth proportional to 897,857.28, 1,239,302.16 and 530,674.56 is: 732,484.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,857.28 : 1,239,302.16 = 530,674.56 : x
  2. Step 2: Convert to fraction form
    897,857.28/1,239,302.16 = 530,674.56/x
  3. Step 3: Cross multiply
    897,857.28x = 1,239,302.16 × 530,674.56
  4. Step 4: Simplify right side
    897,857.28x = 657,666,128,465.05
  5. Step 5: Solve for x
    x = 657,666,128,465.05/897,857.28
  6. Step 6: Final answer
    x = 732,484.04

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Double scale
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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.