Home / 897,895.53-1,239,354.95-530,712.81

Finding the Fourth Proportional to 897,895.53, 1,239,354.95 and 530,712.81

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Solution

The fourth proportional to 897,895.53, 1,239,354.95 and 530,712.81 is: 732,536.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,895.53 : 1,239,354.95 = 530,712.81 : x
  2. Step 2: Convert to fraction form
    897,895.53/1,239,354.95 = 530,712.81/x
  3. Step 3: Cross multiply
    897,895.53x = 1,239,354.95 × 530,712.81
  4. Step 4: Simplify right side
    897,895.53x = 657,741,545,448.35
  5. Step 5: Solve for x
    x = 657,741,545,448.35/897,895.53
  6. Step 6: Final answer
    x = 732,536.83

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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.