Home / 710,169.14-1,064,041.23-390,588.50

Finding the Fourth Proportional to 710,169.14, 1,064,041.23 and 390,588.50

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Solution

The fourth proportional to 710,169.14, 1,064,041.23 and 390,588.50 is: 585,215.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,169.14 : 1,064,041.23 = 390,588.50 : x
  2. Step 2: Convert to fraction form
    710,169.14/1,064,041.23 = 390,588.50/x
  3. Step 3: Cross multiply
    710,169.14x = 1,064,041.23 × 390,588.50
  4. Step 4: Simplify right side
    710,169.14x = 415,602,267,963.86
  5. Step 5: Solve for x
    x = 415,602,267,963.86/710,169.14
  6. Step 6: Final answer
    x = 585,215.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.