Home / 623,139.60-935,323.80-307,952.40

Finding the Fourth Proportional to 623,139.60, 935,323.80 and 307,952.40

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Solution

The fourth proportional to 623,139.60, 935,323.80 and 307,952.40 is: 462,232.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,139.60 : 935,323.80 = 307,952.40 : x
  2. Step 2: Convert to fraction form
    623,139.60/935,323.80 = 307,952.40/x
  3. Step 3: Cross multiply
    623,139.60x = 935,323.80 × 307,952.40
  4. Step 4: Simplify right side
    623,139.60x = 288,035,208,987.12
  5. Step 5: Solve for x
    x = 288,035,208,987.12/623,139.60
  6. Step 6: Final answer
    x = 462,232.23

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1.5x scale

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.