Home / 877,445.28-1,210,902.48-538,256.16

Finding the Fourth Proportional to 877,445.28, 1,210,902.48 and 538,256.16

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Solution

The fourth proportional to 877,445.28, 1,210,902.48 and 538,256.16 is: 742,810.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,445.28 : 1,210,902.48 = 538,256.16 : x
  2. Step 2: Convert to fraction form
    877,445.28/1,210,902.48 = 538,256.16/x
  3. Step 3: Cross multiply
    877,445.28x = 1,210,902.48 × 538,256.16
  4. Step 4: Simplify right side
    877,445.28x = 651,775,719,019.28
  5. Step 5: Solve for x
    x = 651,775,719,019.28/877,445.28
  6. Step 6: Final answer
    x = 742,810.67

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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.