Home / 734,154.40-1,013,112.72-432,368.80

Finding the Fourth Proportional to 734,154.40, 1,013,112.72 and 432,368.80

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Solution

The fourth proportional to 734,154.40, 1,013,112.72 and 432,368.80 is: 596,656.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,154.40 : 1,013,112.72 = 432,368.80 : x
  2. Step 2: Convert to fraction form
    734,154.40/1,013,112.72 = 432,368.80/x
  3. Step 3: Cross multiply
    734,154.40x = 1,013,112.72 × 432,368.80
  4. Step 4: Simplify right side
    734,154.40x = 438,038,331,011.14
  5. Step 5: Solve for x
    x = 438,038,331,011.14/734,154.40
  6. Step 6: Final answer
    x = 596,656.96

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Double scale
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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.