Home / 760,931.92-1,050,084-438,640.24

Finding the Fourth Proportional to 760,931.92, 1,050,084 and 438,640.24

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Solution

The fourth proportional to 760,931.92, 1,050,084 and 438,640.24 is: 605,322.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,931.92 : 1,050,084 = 438,640.24 : x
  2. Step 2: Convert to fraction form
    760,931.92/1,050,084 = 438,640.24/x
  3. Step 3: Cross multiply
    760,931.92x = 1,050,084 × 438,640.24
  4. Step 4: Simplify right side
    760,931.92x = 460,609,097,780.16
  5. Step 5: Solve for x
    x = 460,609,097,780.16/760,931.92
  6. Step 6: Final answer
    x = 605,322.35

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Double scale
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Similar ratio
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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.