Home / 532,154.93-734,376.40-290,443.13

Finding the Fourth Proportional to 532,154.93, 734,376.40 and 290,443.13

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Solution

The fourth proportional to 532,154.93, 734,376.40 and 290,443.13 is: 400,812.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,154.93 : 734,376.40 = 290,443.13 : x
  2. Step 2: Convert to fraction form
    532,154.93/734,376.40 = 290,443.13/x
  3. Step 3: Cross multiply
    532,154.93x = 734,376.40 × 290,443.13
  4. Step 4: Simplify right side
    532,154.93x = 213,294,575,816.14
  5. Step 5: Solve for x
    x = 213,294,575,816.14/532,154.93
  6. Step 6: Final answer
    x = 400,812.93

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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.