Home / 897,571.53-1,238,526.05-515,598.21

Finding the Fourth Proportional to 897,571.53, 1,238,526.05 and 515,598.21

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Solution

The fourth proportional to 897,571.53, 1,238,526.05 and 515,598.21 is: 711,455.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,571.53 : 1,238,526.05 = 515,598.21 : x
  2. Step 2: Convert to fraction form
    897,571.53/1,238,526.05 = 515,598.21/x
  3. Step 3: Cross multiply
    897,571.53x = 1,238,526.05 × 515,598.21
  4. Step 4: Simplify right side
    897,571.53x = 638,581,811,840.38
  5. Step 5: Solve for x
    x = 638,581,811,840.38/897,571.53
  6. Step 6: Final answer
    x = 711,455.07

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Double scale
Find fourth proportional to 897,572.53, 1,238,527.42 and 515,599.21
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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.