Home / 983,989.02-1,357,907.31-570,605.93

Finding the Fourth Proportional to 983,989.02, 1,357,907.31 and 570,605.93

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Solution

The fourth proportional to 983,989.02, 1,357,907.31 and 570,605.93 is: 787,437.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,989.02 : 1,357,907.31 = 570,605.93 : x
  2. Step 2: Convert to fraction form
    983,989.02/1,357,907.31 = 570,605.93/x
  3. Step 3: Cross multiply
    983,989.02x = 1,357,907.31 × 570,605.93
  4. Step 4: Simplify right side
    983,989.02x = 774,829,956,686.81
  5. Step 5: Solve for x
    x = 774,829,956,686.81/983,989.02
  6. Step 6: Final answer
    x = 787,437.60

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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.