Home / 1,173,946.76-1,620,052.98-637,402.76

Finding the Fourth Proportional to 1,173,946.76, 1,620,052.98 and 637,402.76

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Solution

The fourth proportional to 1,173,946.76, 1,620,052.98 and 637,402.76 is: 879,619.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,946.76 : 1,620,052.98 = 637,402.76 : x
  2. Step 2: Convert to fraction form
    1,173,946.76/1,620,052.98 = 637,402.76/x
  3. Step 3: Cross multiply
    1,173,946.76x = 1,620,052.98 × 637,402.76
  4. Step 4: Simplify right side
    1,173,946.76x = 1,032,626,240,798.22
  5. Step 5: Solve for x
    x = 1,032,626,240,798.22/1,173,946.76
  6. Step 6: Final answer
    x = 879,619.31

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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.