Home / 742,152.98-1,111,472.13-471,312.17

Finding the Fourth Proportional to 742,152.98, 1,111,472.13 and 471,312.17

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Solution

The fourth proportional to 742,152.98, 1,111,472.13 and 471,312.17 is: 705,852.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,152.98 : 1,111,472.13 = 471,312.17 : x
  2. Step 2: Convert to fraction form
    742,152.98/1,111,472.13 = 471,312.17/x
  3. Step 3: Cross multiply
    742,152.98x = 1,111,472.13 × 471,312.17
  4. Step 4: Simplify right side
    742,152.98x = 523,850,339,211.77
  5. Step 5: Solve for x
    x = 523,850,339,211.77/742,152.98
  6. Step 6: Final answer
    x = 705,852.23

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Double scale
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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.