Home / 1,139,501.52-1,572,448.14-623,152.80

Finding the Fourth Proportional to 1,139,501.52, 1,572,448.14 and 623,152.80

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Solution

The fourth proportional to 1,139,501.52, 1,572,448.14 and 623,152.80 is: 859,915.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,501.52 : 1,572,448.14 = 623,152.80 : x
  2. Step 2: Convert to fraction form
    1,139,501.52/1,572,448.14 = 623,152.80/x
  3. Step 3: Cross multiply
    1,139,501.52x = 1,572,448.14 × 623,152.80
  4. Step 4: Simplify right side
    1,139,501.52x = 979,875,461,295.79
  5. Step 5: Solve for x
    x = 979,875,461,295.79/1,139,501.52
  6. Step 6: Final answer
    x = 859,915.89

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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.