Home / 840,501.91-1,159,869.67-458,528.59

Finding the Fourth Proportional to 840,501.91, 1,159,869.67 and 458,528.59

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Solution

The fourth proportional to 840,501.91, 1,159,869.67 and 458,528.59 is: 632,756.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,501.91 : 1,159,869.67 = 458,528.59 : x
  2. Step 2: Convert to fraction form
    840,501.91/1,159,869.67 = 458,528.59/x
  3. Step 3: Cross multiply
    840,501.91x = 1,159,869.67 × 458,528.59
  4. Step 4: Simplify right side
    840,501.91x = 531,833,404,368.87
  5. Step 5: Solve for x
    x = 531,833,404,368.87/840,501.91
  6. Step 6: Final answer
    x = 632,756.93

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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.