Home / 869,127.90-1,303,254.45-514,250.70

Finding the Fourth Proportional to 869,127.90, 1,303,254.45 and 514,250.70

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Solution

The fourth proportional to 869,127.90, 1,303,254.45 and 514,250.70 is: 771,117.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,127.90 : 1,303,254.45 = 514,250.70 : x
  2. Step 2: Convert to fraction form
    869,127.90/1,303,254.45 = 514,250.70/x
  3. Step 3: Cross multiply
    869,127.90x = 1,303,254.45 × 514,250.70
  4. Step 4: Simplify right side
    869,127.90x = 670,199,513,190.62
  5. Step 5: Solve for x
    x = 670,199,513,190.62/869,127.90
  6. Step 6: Final answer
    x = 771,117.25

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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.