Home / 1,047,128.83-1,569,240.08-477,116.89

Finding the Fourth Proportional to 1,047,128.83, 1,569,240.08 and 477,116.89

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Solution

The fourth proportional to 1,047,128.83, 1,569,240.08 and 477,116.89 is: 715,013.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,128.83 : 1,569,240.08 = 477,116.89 : x
  2. Step 2: Convert to fraction form
    1,047,128.83/1,569,240.08 = 477,116.89/x
  3. Step 3: Cross multiply
    1,047,128.83x = 1,569,240.08 × 477,116.89
  4. Step 4: Simplify right side
    1,047,128.83x = 748,710,946,632.95
  5. Step 5: Solve for x
    x = 748,710,946,632.95/1,047,128.83
  6. Step 6: Final answer
    x = 715,013.21

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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.