Home / 776,505.60-1,071,532.80-436,953.60

Finding the Fourth Proportional to 776,505.60, 1,071,532.80 and 436,953.60

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Solution

The fourth proportional to 776,505.60, 1,071,532.80 and 436,953.60 is: 602,970.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,505.60 : 1,071,532.80 = 436,953.60 : x
  2. Step 2: Convert to fraction form
    776,505.60/1,071,532.80 = 436,953.60/x
  3. Step 3: Cross multiply
    776,505.60x = 1,071,532.80 × 436,953.60
  4. Step 4: Simplify right side
    776,505.60x = 468,210,114,478.08
  5. Step 5: Solve for x
    x = 468,210,114,478.08/776,505.60
  6. Step 6: Final answer
    x = 602,970.69

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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.