Home / 1,140,799.68-1,574,316-631,510.56

Finding the Fourth Proportional to 1,140,799.68, 1,574,316 and 631,510.56

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Solution

The fourth proportional to 1,140,799.68, 1,574,316 and 631,510.56 is: 871,491.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,799.68 : 1,574,316 = 631,510.56 : x
  2. Step 2: Convert to fraction form
    1,140,799.68/1,574,316 = 631,510.56/x
  3. Step 3: Cross multiply
    1,140,799.68x = 1,574,316 × 631,510.56
  4. Step 4: Simplify right side
    1,140,799.68x = 994,197,178,776.96
  5. Step 5: Solve for x
    x = 994,197,178,776.96/1,140,799.68
  6. Step 6: Final answer
    x = 871,491.46

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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.