Home / 765,545.49-1,056,384.05-443,277.45

Finding the Fourth Proportional to 765,545.49, 1,056,384.05 and 443,277.45

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Solution

The fourth proportional to 765,545.49, 1,056,384.05 and 443,277.45 is: 611,683.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,545.49 : 1,056,384.05 = 443,277.45 : x
  2. Step 2: Convert to fraction form
    765,545.49/1,056,384.05 = 443,277.45/x
  3. Step 3: Cross multiply
    765,545.49x = 1,056,384.05 × 443,277.45
  4. Step 4: Simplify right side
    765,545.49x = 468,271,225,688.29
  5. Step 5: Solve for x
    x = 468,271,225,688.29/765,545.49
  6. Step 6: Final answer
    x = 611,683.08

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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.