Home / 452,802.96-624,871.08-283,136.40

Finding the Fourth Proportional to 452,802.96, 624,871.08 and 283,136.40

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Solution

The fourth proportional to 452,802.96, 624,871.08 and 283,136.40 is: 390,730.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,802.96 : 624,871.08 = 283,136.40 : x
  2. Step 2: Convert to fraction form
    452,802.96/624,871.08 = 283,136.40/x
  3. Step 3: Cross multiply
    452,802.96x = 624,871.08 × 283,136.40
  4. Step 4: Simplify right side
    452,802.96x = 176,923,748,055.31
  5. Step 5: Solve for x
    x = 176,923,748,055.31/452,802.96
  6. Step 6: Final answer
    x = 390,730.10

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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.